The International Space Station. Credit: NASA

Tuesday, December 29, 2015

Boulders on a Martian Landslide

Boulders on a Martian Landslide

Monday, December 28, 2015

Europe’s first decade of navigation satellites

Europe’s first decade of navigation satellites

Wednesday, December 16, 2015

Clean Space Awakens

Clean Space Awakens

Monday, December 14, 2015

Window on the past

Window on the past

Saturday, December 12, 2015

Week In Images

Week In Images

Ice matters

Ice matters

Thursday, December 3, 2015

LISA Pathfinder en route to gravitational wave demonstration

LISA Pathfinder en route to gravitational wave demonstration

Wednesday, December 2, 2015

ESA wastewater recovery picked as key climate technology

ESA wastewater recovery picked as key climate technology

Rover versus rocks

Rover versus rocks

Monday, November 30, 2015

Testing gravity

Testing gravity

Thursday, November 26, 2015

Timelapse from space reveals glacier in motion

Timelapse from space reveals glacier in motion

Friday, November 20, 2015

New satellite to measure plant health

New satellite to measure plant health

Tuesday, November 10, 2015

Orion Service Module Stacking Assembly Secured For Flight

Orion Service Module Stacking Assembly Secured For Flight

CubeSats to an asteroid

CubeSats to an asteroid

3D printing for space

3D printing for space

Monday, November 9, 2015

Galileo satellites set for year-long Einstein experiment

Galileo satellites set for year-long Einstein experiment

Sunday, November 8, 2015

Be an Astronaut: NASA Seeks Explorers for Future Space Missions

Be an Astronaut: NASA Seeks Explorers for Future Space Missions

White House, NASA Administrator Statements on 15 Years of Human Habitation Aboard International Space Station

White House, NASA Administrator Statements on 15 Years of Human Habitation Aboard International Space Station

Sunday, October 25, 2015

LOST ANTARES ROCKET REMEMBERED

FROM:  NASA 

NASA astronaut Reid Wiseman posted this image of a sunrise, captured from the International Space Station, to social media on Oct. 29, 2014. Wiseman wrote, "Not every day is easy. Today was a tough one." Wiseman was referring to the loss on Oct. 28 of the Orbital Sciences Corporation Antares rocket and Cygnus spacecraft, moments after launch at NASA's Wallops Flight Facility in Virginia. The Cygnus spacecraft was filled with about 5,000 pounds of supplies slated for the International Space Station, including science experiments, experiment hardware, spare parts, and crew provisions. The station crew is in no danger of running out of food or other critical supplies. Image Credit: NASA/Reid Wiseman.

Tuesday, October 20, 2015

Climate Cube in Paris

Climate Cube in Paris

Monday, October 19, 2015

Saturn and Dione

Saturn and Dione

Wednesday, October 14, 2015

AIMing a light across millions of kilometres

AIMing a light across millions of kilometres

Gearing up for Astronomy Night 2015 | NSF - National Science Foundation

Gearing up for Astronomy Night 2015 | NSF - National Science Foundation

Friday, October 9, 2015

Week In Images

Week In Images

Tuesday, September 29, 2015

How Rosetta’s comet got its shape

How Rosetta’s comet got its shape

Tuesday, September 15, 2015

This Week @ NASA, September 11, 2015

This Week @ NASA, September 11, 2015

ESA Moon challenge

ESA Moon challenge

Thursday, September 10, 2015

Sweeping over the south pole of Mars

Sweeping over the south pole of Mars

Watch Galileo launch

Watch Galileo launch

Wednesday, September 9, 2015

Science beyond fiction

Science beyond fiction

Tuesday, August 25, 2015

Gaia's first year of scientific observations

Gaia's first year of scientific observations

Sunday, August 23, 2015

MANY OBSERVATIONS OF THE SUN COMBINED INTO ONE

FROM:  NASA 


Flaring, active regions of our sun are highlighted in this new image combining observations from several telescopes. High-energy X-rays from NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) are shown in blue; low-energy X-rays from Japan's Hinode spacecraft are green; and extreme ultraviolet light from NASA's Solar Dynamics Observatory (SDO) is yellow and red.

All three telescopes captured their solar images around the same time on April 29, 2015. The NuSTAR image is a mosaic made from combining smaller images.

The active regions across the sun’s surface contain material heated to several millions of degrees. The blue-white areas showing the NuSTAR data pinpoint the most energetic spots. During the observations, microflares went off, which are smaller versions of the larger flares that also erupt from the sun's surface. The microflares rapidly release energy and heat the material in the active regions.

NuSTAR typically stares deeper into the cosmos to observe X-rays from supernovas, black holes and other extreme objects. But it can also look safely at the sun and capture images of its high-energy X-rays with more sensitivity than before. Scientists plan to continue to study the sun with NuSTAR to learn more about microflares, as well as hypothesized nanoflares, which are even smaller.

In this image, the NuSTAR data shows X-rays with energies between 2 and 6 kiloelectron volts; the Hinode data, which is from the X-ray Telescope instrument, has energies of 0.2 to 2.4 kiloelectron volts; and the Solar Dynamics Observatory data, taken using the Atmospheric Imaging Assembly instrument, shows extreme ultraviolet light with wavelengths of 171 and 193 Angstroms.

Note the green Hinode image frame edge does not extend as far as the SDO ultraviolet image, resulting in the green portion of the image being truncated on the right and left sides.

Image credit: NASA/JPL-Caltech/GSFC/JAXA

Saturday, August 22, 2015

A Hubble Cosmic Couple

A Hubble Cosmic Couple

Friday, August 14, 2015

Week In Images

Week In Images

Tuesday, August 11, 2015

Then and now

Then and now

Sunday, August 9, 2015

A LOOK A YOUNG STARS IN NGC 1333

FROM:  NASA

While fireworks only last a short time here on Earth, a bundle of cosmic sparklers in a nearby cluster of stars will be going off for a very long time. NGC 1333 is a star cluster populated with many young stars that are less than 2 million years old, a blink of an eye in astronomical terms for stars like the Sun expected to burn for billions of years.

This new composite image combines X-rays from NASA’s Chandra X-ray Observatory (pink) with infrared data from the Spitzer Space Telescope (red) as well as optical data from the Digitized Sky Survey and the National Optical Astronomical Observatories’ Mayall 4-meter telescope on Kitt Peak (red, green, blue). The Chandra data reveal 95 young stars glowing in X-ray light, 41 of which had not been identified previously using infrared observations with Spitzer because they lacked infrared emission from a surrounding disk.


To make a detailed study of the X-ray properties of young stars, a team of astronomers, led by Elaine Winston from the University of Exeter, analyzed both the Chandra X-ray data of NGC 1333, located about 780 light years from Earth, and of the Serpens cloud, a similar cluster of young stars about 1100 light years away. They then compared the two datasets with observations of the young stars in the Orion Nebula Cluster, perhaps the most-studied young star cluster in the Galaxy.

The researchers found that the X-ray brightness of the stars in NGC 1333 and the Serpens cloud depends on the total brightness of the stars across the electromagnetic spectrum, as found in previous studies of other clusters. They also found that the X-ray brightness mainly depends on the size of the star. In other words, the bigger the stellar sparkler, the brighter it will glow in X-rays.

These results were published in the July 2010 issue of the Astronomical Journal and are available online. NASA's Marshall Space Flight Center in Huntsville, Alabama, manages the Chandra program for NASA's Science Mission Directorate in Washington. The Smithsonian Astrophysical Observatory in Cambridge, Massachusetts, controls Chandra's science and flight operations.

JPL manages the Spitzer Space Telescope mission for NASA's Science Mission Directorate, Washington. Science operations are conducted at the Spitzer Science Center at the California Institute of Technology in Pasadena. Spacecraft operations are based at Lockheed Martin Space Systems Company, Littleton, Colorado.

Image credit: X-ray: NASA/CXC/SAO/S.Wolk et al; Optical: DSS & NOAO/AURA/NSF; Infrared: NASA/JPL-Caltech.

Sunday, August 2, 2015

MYSTERIOUS LIGHTS ON PLANET CERES

FROM:  NASA 

A cluster of mysterious bright spots on dwarf planet Ceres can be seen in this image, taken by NASA's Dawn spacecraft from an altitude of 2,700 miles (4,400 kilometers). The image, with a resolution of 1,400 feet (410 meters) per pixel, was taken on June 9, 2015.  Image Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA.




Monday, July 27, 2015

Born-again nebula

Born-again nebula

Sunday, July 26, 2015

RON GARAN TWEETED IMAGE OF A SHOOTING STAR?

FROM:  NASA

 Astronaut Ron Garan, Expedition 28 flight engineer, tweeted this image from the International Space Station in August, 2011 with the following caption: “What a `Shooting Star’ looks like from space, taken yesterday during Perseid Meteor Shower.”  A special camera to record meteor showers will launch to the International Space Station aboard SpaceX's Dragon cargo craft, currently scheduled to launch on June 28, 2015, from Cape Canaveral Air Force Station, Florida.

The Meteor investigation should be installed in the station’s Window Observational Research Facility by the end of July, enabling scientists to learn more about the composition and behavior of asteroids and comets that cross paths with Earth. The investigation's camera is programmed to record known major meteor showers during its two-year orbit and could spot unpredicted showers as well.  Image Credit: NASA.

Sunday, July 19, 2015

A VIEW OF EARTH'S AURORAS FROM ASTRONAUT SCOTT KELLY

FROM:  NASA

NASA astronaut Scott Kelly captured photographs and video of auroras from the International Space Station on June 22, 2015. Kelly wrote, "Yesterday's aurora was an impressive show from 250 miles up. Good morning from the International Space Station! ‪#‎YearInSpace‬"  Image Credit: NASA.

Monday, July 13, 2015

Rosetta: preparing for perihelion

Rosetta: preparing for perihelion

Sunday, July 12, 2015

LOOKING AT AUSTRALIA FROM THE ISS

FROM:  NASA

From the International Space Station, NASA astronaut Scott Kelly (stationcdrkelly on Instagram) took this photograph and posted it to social media on April 6, 2015. Kelly wrote, "Australia. You are very beautiful. Thank you for being there to brighten our day. #YearInSpace" Kelly and Russian Federal Space Agency (Roscosmos) cosmonaut Mikhail Kornienko began their one-year mission aboard the space station on March 27. Most expeditions to the space station last four to six months. By doubling the length of this mission, researchers hope to better understand how the human body reacts and adapts to long-duration spaceflight. Image Credit: NASA.

Thursday, July 9, 2015

Ghostly galaxy

Ghostly galaxy

Tuesday, July 7, 2015

Station Moon transit

Station Moon transit

Monday, July 6, 2015

Europa’s blood-red scars

Europa’s blood-red scars

Sunday, July 5, 2015

NASA DEPICTS PLUTO'S OCCULTATION

FROM:  NASA 

The Stratosphere Observatory for Infrared Astronomy (SOFIA) is a modified Boeing 747SP aircraft that makes celestial observations with its German-built 100-inch telescope. The telescope is enhanced to collect infrared radiation, and is able to detect energy at a wider range of wavelengths than any other ground-based or space telescope.

SOFIA can fly anywhere in the world, and operates at altitudes up to 45,000 feet, putting the observatory above more than 99 percent of Earth's atmospheric water vapor that blocks infrared radiation from celestial objects.

SOFIA is flying out of Christchurch, New Zealand, where its telescope can study celestial objects more easily observed from the Southern Hemisphere. Starting June 28 through the 29th, instruments on the plane will observe Pluto as it passes in front of a background star.

Data returned from the observations will be provided to the New Horizon team who is preparing for Pluto's occultation, July 13 through the 15th.





Friday, July 3, 2015

Northwest Sardinia

Northwest Sardinia

Monday, June 29, 2015

Sentinel-2 delivers first images

Sentinel-2 delivers first images

Sunday, June 28, 2015

Looking for Human Landing Sites on Mars on This Week @NASA – June 26, 2015

THE GALAXY IN THE 'LOCAL VOID'

FROM:  NASA

Most galaxies are clumped together in groups or clusters. A neighboring galaxy is never far away. But this galaxy, known as NGC 6503, has found itself in a lonely position, at the edge of a strangely empty patch of space called the Local Void.

The Local Void is a huge stretch of space that is at least 150 million light-years across. It seems completely empty of stars or galaxies. The galaxy’s odd location on the edge of this never-land led stargazer Stephen James O’Meara to dub it the “Lost-In-Space galaxy” in his 2007 book, Hidden Treasures.

NGC 6503 is 18 million light-years away from us in the northern circumpolar constellation of Draco. NGC 6503 spans some 30,000 light-years, about a third of the size of the Milky Way.

This Hubble Space Telescope image shows NGC 6503 in striking detail and with a rich set of colors. Bright red patches of gas can be seen scattered through its swirling spiral arms, mixed with bright blue regions that contain newly forming stars. Dark brown dust lanes snake across the galaxy’s bright arms and center, giving it a mottled appearance.

The Hubble Advanced Camera for Surveys data for NGC 6503 were taken in April 2003, and the Wide Field Camera 3 data were taken in August 2013.

The Hubble Space Telescope is a project of international cooperation between NASA and the European Space Agency. NASA’s Goddard Space Flight Center in Greenbelt, Maryland, manages the telescope. The Space Telescope Science Institute (STScI) in Baltimore conducts Hubble science operations. STScI is operated for NASA by the Association of Universities for Research in Astronomy, Inc., in Washington, D.C.

Photo Credit: NASA, ESA, D. Calzetti (University of Massachusetts), H. Ford (Johns Hopkins University), and the Hubble Heritage Team

Sunday, June 21, 2015

THE DRYDEN AEROSPIKE ROCKET TEST

FROM:  NASA 

 EC04-0113-171  The Dryden Aerospike Rocket Test provided the first known data from a solid-fueled aerospike rocket in flight. The test took place March 30 and 31, 2004, at the King Ranch launch site at the Pecos County Aerospace Development Corporation Flight Test Range in Fort Stockton, Texas.  March 30, 2004  NASA Photo / Steve Thomas.  Aerospike Rocket Project.   Last Updated: May 9, 2015.  Editor: NASA Administrator.

Sunday, June 14, 2015

Rosetta's lander Philae wakes up from hibernation

Rosetta's lander Philae wakes up from hibernation

OPPORTUNITY TAKES A LOOK AT MARATHON VALLEY

FROM:  NASA


This view from NASA's Mars Exploration Rover Opportunity shows part of "Marathon Valley," a destination on the western rim of Endeavour Crater, as seen from an overlook north of the valley.  The scene spans from east, at left, to southeast. It combines four pointings of the rover's panoramic camera (Pancam) on March 13, 2015, during the 3,958th Martian day, or sol, of Opportunity's work on Mars.

 The rover team selected Marathon Valley as a science destination because observations of this location using the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) instrument on NASA's Mars Reconnaissance Orbiter yielded evidence of clay minerals, a clue to ancient wet environments. By the time Opportunity explores Marathon Valley, the rover will have exceeded a total driving distance equivalent to an Olympic marathon.

Opportunity has been exploring the Meridiani Planum region of Mars since January 2004.  This version of the image is presented in approximate true color by combining exposures taken through three of the Pancam's color filters at each of the four camera pointings, using filters centered on wavelengths of 753 nanometers (near-infrared), 535 nanometers (green) and 432 nanometers (violet).  Image Credit: NASA/JPL-Caltech/Cornell Univ./Arizona State Univ.

Tuesday, June 9, 2015

ESA at the Paris Air & Space Show

ESA at the Paris Air & Space Show

Sunday, June 7, 2015

MARS SURFACE FROM SPACE

FROM:  NASA 

This image of a circular depression on the surface of Mars was acquired on Jan. 5, 2015 by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter (MRO). The spacecraft has been orbiting Mars since March 2006 and completed its 40,000th orbit around Mars on Feb. 7, 2015.  The target of this observation is a circular depression in a dark-toned unit associated with a field of cones to the northeast. At the scale of an image taken by MRO's Context Camera, which provides wide area views to provide context for high-resolution analysis, the depression appears to expose layers especially on the sides or walls, which are overlain by dark sands presumably associated with the dark-toned unit. The HiRISE camera's resolution, which is far higher than that of the Context Camera and its larger footprint, can help identify possible layers.  HiRISE is one of six instruments on the Mars Reconnaissance Orbiter. The University of Arizona, Tucson, operates HiRISE, which was built by Ball Aerospace & Technologies Corp., Boulder, Colo. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Reconnaissance Orbiter Project for NASA's Science Mission Directorate, Washington.  Image Credit-NASA-JPL-Caltech-University of Arizona.



Tuesday, June 2, 2015

ESA heading towards removing space debris

ESA heading towards removing space debris

Sunday, May 31, 2015

WHERE ARE THE WORLDS WITH WATER?

FROM:  NASA

As NASA missions explore our solar system and search for new worlds, they are finding water in surprising places. Water is but one piece of our search for habitable planets and life beyond Earth, yet it links many seemingly unrelated worlds in surprising ways. Perhaps the most surprising water worlds are the five icy moons of Jupiter and Saturn that show strong evidence of oceans beneath their surfaces: Ganymede, Europa and Callisto at Jupiter, and Enceladus and Titan at Saturn. Scientists using NASA's Hubble Space Telescope recently provided powerful evidence that Ganymede has a saltwater, sub-surface ocean, likely sandwiched between two layers of ice. In this artist’s concept, the moon Ganymede orbits the giant planet Jupiter. The Hubble Space Telescope observed aurorae on the moon generated by Ganymede’s magnetic fields. A saline ocean under the moon’s icy crust best explains shifting in the auroral belts measured by Hubble. More: The Solar System and Beyond is Awash in Water Image Credit: NASA/ESA.

Wednesday, May 27, 2015

Iron 'Fingerprints' Point Astronomers to Supernova Suspects

Iron 'Fingerprints' Point Astronomers to Supernova Suspects

Ariane 5’s second launch of 2015

Ariane 5’s second launch of 2015

Selfies with Earth

Selfies with Earth

Sunday, May 24, 2015

HEIST TESTED AT ARMSTRONG FLIGHT RESEARCH CENTER

FROM:  NASA 

Leading Edge Asynchronous Propeller Technology (LEAPTech) project researchers at NASA's Armstrong Flight Research Center are performing ground testing of a 31-foot-span, carbon composite wing section with 18 electric motors. The LEAPTech project will test the premise that tighter propulsion-airframe integration, made possible with electric power, will deliver improved efficiency and safety, as well as environmental and economic benefits. The experimental wing, called the Hybrid-Electric Integrated Systems Testbed (HEIST), is mounted on a specially modified truck. Testing on the mobile ground rig assembly will provide valuable data and risk reduction applicable to future flight research. Instead of being installed in a wind tunnel, the HEIST wing section will remain attached to load cells on a supporting truss while the vehicle is driven at speeds up to 70 miles per hour across a dry lakebed at Edwards Air Force Base. LEAPTech to Demonstrate Electric Propulsion Technologies Image Credit: Joby Aviation.

Tuesday, May 19, 2015

Four decades of tracking European spacecraft

Four decades of tracking European spacecraft

Magnetic Orion

Magnetic Orion

Sunday, May 17, 2015

Bumps on road to Mars

Bumps on road to Mars

Tracking Japan’s asteroid impact mission

Tracking Japan’s asteroid impact mission

GARDEN CITY MINERAL VEINS ON MOUNT SHARP, MARS

FROM:  NASA 


This view from the Mast Camera (Mastcam) on NASA's Curiosity Mars rover shows a network of two-tone mineral veins at an area called "Garden City" on lower Mount Sharp.  The veins combine light and dark material. The veins at this site jut to heights of up to about 2.5 inches (6 centimeters) above the surrounding rock, and their widths range up to about 1.5 inches (4 centimeters). Figure 1 includes a 30-centimeter scale bar (about 12 inches).  Mineral veins such as these form where fluids move through fractured rocks, depositing minerals in the fractures and affecting chemistry of the surrounding rock. In this case, the veins have been more resistant to erosion than the surrounding host rock. This scene is a mosaic combining 28 images taken with Mastcam's right-eye camera, which has a telephoto lens with a focal length of 100 millimeters. The component images were taken on March 18, 2015, during the 929th Martian day, or sol, of Curiosity's work on Mars. The color has been approximately white-balanced to resemble how the scene would appear under daytime lighting conditions on Earth. Malin Space Science Systems, San Diego, built and operates the rover's Mastcam. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology, Pasadena, manages the Mars Science Laboratory Project for NASA's Science Mission Directorate, Washington. JPL designed and built the project's Curiosity rover. Feature: Curiosity Eyes Prominent Mineral Veins on Mars.   Image Credit-NASA-JPL-Caltech-MSSS.

Sunday, May 10, 2015

ROCKETING TO THE INTENTIONAL SPACE STATION

FROM:  NASA 

A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft on the sixth commercial resupply services mission to the International Space Station. Liftoff was at 4:10 p.m. EDT, Tuesday, April 14. Research that will help prepare NASA astronauts and robotic explorers for future missions to Mars is among the two tons of cargo on its way to the International Space Station aboard Dragon. The mission is the company's sixth cargo delivery flight to the station through NASA’s Commercial Resupply Services contract. Dragon's cargo will support approximately 40 of the more than 250 science and research investigations that will be performed during Expeditions 43 and 44, including numerous human research investigations for NASA astronaut Scott Kelly's one-year mission in space. Image Credit: NASA/Kim Shiflett



Saturday, May 9, 2015

This Week @ NASA, May 8, 2015

This Week @ NASA, May 8, 2015

Sunday, May 3, 2015

SPIRAL GALAXY NGC 5023

FROM:  NASA 

This NASA/ESA Hubble Space Telescope image shows an edge-on view of the spiral galaxy NGC 5023. Due to its orientation we cannot appreciate its spiral arms, but we can admire the elegant profile of its disk.

The galaxy lies over 30 million light-years away from us. NGC 5023 is part of the M51 group of galaxies. The brightest galaxy in this group is Messier 51, the Whirlpool Galaxy, which has been captured by Hubble many times. NGC 5023 is less fond of the limelight and seems rather unsociable in comparison — it is relatively isolated from the other galaxies in the group. Astronomers are particularly interested in the vertical structure of disks like these. By analyzing the structure above and below the central plane of the galaxy they can make progress in understanding galaxy evolution. Astronomers are able to analyze the distribution of different types of stars within the galaxy and their properties, in particular how well evolved they are on the Hertzsprung–Russell Diagram — a scatter graph of stars that shows their evolution. NGC 5023 is one of six edge-on spiral galaxies observed as part of a study using Hubble’s Advanced Camera for Surveys. They study this vertical distribution and find a trend which suggests that heating of the disc plays an important role in producing the stars seen away from the plane of the galaxy. In fact, NGC 5023 is pretty popular when it comes to astronomers, despite its unsociable behavior.

The galaxy is also one of 14 disk galaxies that are part of the GHOSTS survey — a survey which uses Hubble data to study galaxy halos, outer disks and star clusters. It is the largest study to date of star populations in the outskirts of disk galaxies. The incredible sharp sight of Hubble has allowed scientist to count more than 30,000 individual bright stars in this image. This is only a small fraction of the several billion stars that this galaxy contains, but the others are too faint to detect individually even with Hubble. European Space Agency Credit-ESA-NASA

Tuesday, April 28, 2015

Saturn’s sponge-like moon

Saturn’s sponge-like moon

Sunday, April 12, 2015

MMS HEADS INTO SPACE

FROM:  NASA

The United Launch Alliance Atlas V rocket with NASA’s Magnetospheric Multiscale (MMS) spacecraft aboard launches from the Cape Canaveral Air Force Station Space Launch Complex 41, Thursday, March 12, 2015, Florida. NASA’s MMS mission studies the mystery of how magnetic fields around Earth connect and disconnect, explosively releasing energy via a process known as magnetic reconnection. MMS consists of four identical spacecraft that work together to provide the first three-dimensional view of this fundamental process, which occurs throughout the universe. Photo Credit: NASA/Aubrey Gemignani.

Friday, April 3, 2015

Ethereal ghosts

Ethereal ghosts

Wednesday, April 1, 2015

Work begins on ESA's part of planetary defence test

Work begins on ESA's part of planetary defence test

Sunday, March 29, 2015

VIEWS OF CERES

 FROM:  NASA

These two views of Ceres were acquired by NASA's Dawn spacecraft on Feb. 12, 2015, from a distance of about 52,000 miles (83,000 kilometers) as the dwarf planet rotated. The images have been magnified from their original size. The Dawn spacecraft is due to arrive at Ceres on March 6, 2015. Dawn's mission to Vesta and Ceres is managed by the Jet Propulsion Laboratory for NASA's Science Mission Directorate in Washington. Dawn is a project of the directorate's Discovery Program, managed by NASA's Marshall Space Flight Center in Huntsville, Alabama. UCLA is responsible for overall Dawn mission science. Orbital ATK, Inc., of Dulles, Virginia, designed and built the spacecraft. JPL is managed for NASA by the California Institute of Technology in Pasadena. The framing cameras were provided by the Max Planck Institute for Solar System Research, Göttingen, Germany, with significant contributions by the German Aerospace Center (DLR) Institute of Planetary Research, Berlin, and in coordination with the Institute of Computer and Communication Network Engineering, Braunschweig. The visible and infrared mapping spectrometer was provided by the Italian Space Agency and the Italian National Institute for Astrophysics, built by Selex ES, and is managed and operated by the Italian Institute for Space Astrophysics and Planetology, Rome. The gamma ray and neutron detector was built by Los Alamos National Laboratory, New Mexico, and is operated by the Planetary Science Institute, Tucson, Arizona. Image Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA.

Thursday, March 26, 2015

Scuttling satellites to save space

Scuttling satellites to save space

The colours of orbit

The colours of orbit

Sunday, March 22, 2015

CONCRETIONS NEAR FRAM CRATER LOCATION: MARS


FROM:  NASA
Martian Concretions Near Fram Crater

The small spherules on the Martian surface in this close-up image are near Fram Crater, visited by NASA's Mars Exploration Rover Opportunity during April 2004. The area shown is 1.2 inches (3 centimeters) across. The view comes from the microscopic imager on Opportunity's robotic arm, with color information added from the rover's panoramic camera.

These are examples of the mineral concretions nicknamed "blueberries." Opportunity's investigation of the hematite-rich concretions during the rover's three-month prime mission in early 2004 provided evidence of a watery ancient environment.

This image was taken during the 84th Martian day, or sol, of the rover's work on Mars (April 19, 2004). The location is beside Fram Crater, which Opportunity passed on its way from Eagle Crater, where it landed, toward Endurance Crater, where it spent most of the rest of 2004. Image Credit: NASA-JPL-Caltech-Cornell-USGS.

Sunday, March 15, 2015

PERSPECTIVE OF GALAXY NGC 7914

FROM:  NASA 



Caption Credit:  NASA.  Galaxies can take many shapes and be oriented any way relative to us in the sky. This can make it hard to figure out their actual morphology, as a galaxy can look very different from different viewpoints. A special case is when we are lucky enough to observe a spiral galaxy directly from its edge, providing us with a spectacular view like the one seen in this picture of the week. This is NGC 7814, also known as the “Little Sombrero.” Its larger namesake, the Sombrero Galaxy, is another stunning example of an edge-on galaxy — in fact, the “Little Sombrero” is about the same size as its bright namesake at about 60,000 light-years across, but as it lies farther away, and so appears smaller in the sky. NGC 7814 has a bright central bulge and a bright halo of glowing gas extending outwards into space. The dusty spiral arms appear as dark streaks. They consist of dusty material that absorbs and blocks light from the galactic center behind it. The field of view of this NASA/ESA Hubble Space Telescope image would be very impressive even without NGC 7814 in front; nearly all the objects seen in this image are galaxies as well. European Space Agency Credit: ESA/Hubble & NASA Acknowledgement: Josh Barrington.

Monday, March 9, 2015

Scanning Earth, saving lives

Scanning Earth, saving lives