SPACE: WHERE ARE WE GOING? : WANT TO BE AN ASTRONAUT? NASA IS NOW HIRING

Thursday, December 1, 2011

WANT TO BE AN ASTRONAUT? NASA IS NOW HIRING

The following is an excerpt from the NASA website:

“NASA Accepting Applications For Future Astronauts
HOUSTON -- Do you dream of flying in space? Now is your chance. NASA is accepting applications for the agency's next class for the Astronaut Candidate Program.

Starting today, qualified individuals can submit their applications through the federal government's USAJobs.gov website. Those selected will be among the first to pioneer a new generation of commercial launch vehicles and travel aboard a new heavy-lift rocket to distant destinations in deep space.

"For 50 years, American astronauts have led the exploration of our solar system," NASA Administrator Charles Bolden said. "Today we are getting a glimpse of why that will remain true for the next half-century. Make no mistake about it, human space flight is alive and well at NASA."

Qualifications include a bachelor's degree in engineering, science or math and three years of relevant professional experience. Successful applicants frequently have significant qualifications in engineering or science; or extensive experience flying high-performance jet aircraft. Educators teaching kindergarten through 12th grade with these minimimum degree requirements also are encouraged to apply.

NASA will accept applications through January 27, 2012. After applicant interviews and evaluations, the agency expects to announce the final selections in 2013. Training will begin that summer. “

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STAR FLASH

What caused this outburst of V838 Mon? For reasons unknown, star V838 Mon's outer surface suddenly greatly expanded with the result that it became the brightest star in the entire Milky Way Galaxy in January 2002. Then, just as suddenly, it faded. A stellar flash like this had never been seen before -- supernovas and novas expel matter out into space. Although the V838 Mon flash appears to expel material into space, what is seen in the above image from the Hubble Space Telescope is actually an outwardly moving light echo of the bright flash. In a light echo, light from the flash is reflected by successively more distant rings in the complex array of ambient interstellar dust that already surrounded the star. V838 Mon lies about 20,000 light years away toward the constellation of the unicorn (Monoceros), while the light echo above spans about six light years in diameter. Image Credit: NASA, ESA

THE SPIDERWEB GALAXY

Looking like a spider's web swirled into a spiral, Galaxy IC 342 presents its delicate pattern of dust in this image from NASA's Spitzer Space Telescope. Seen in infrared light, faint starlight gives way to the glowing bright patterns of dust found throughout the galaxy's disk. At a distance of about 10 million light-years, IC 342 is relatively close by galactic standards, however our vantage point places it directly behind the disk of our own Milky Way. The intervening dust makes it difficult to see in visible light, but infrared light penetrates this veil easily. IC 342 belongs to the same group as its even more obscured galactic neighbor, Maffei 2. IC 342 is nearly face-on to our view, giving a clear, top-down view of the structure of its disk. It has a low surface brightness compared to other spirals, indicating a lower density of stars (seen here as a blue haze). Its dust structures show up much more vividly (red). Blue dots are stars closer to us, in our own Milky Way. New stars are forming in the disk at a healthy rate. The very center glows especially brightly in the infrared, highlighting an enormous burst of star formation occurring in this tiny region. To either side of the center, a small bar of dust and gas is helping to fuel this central star formation. Data from Spitzer's infrared array camera are shown in blue (3.6 microns), green (4.5 microns) and red (5.8 and 8.0 microns). Image Credit: NASA/JPL-Caltech

JUMPING TO WARP SPEED

This cockpit view of a hypothetical spacecraft traveling at eight-tenths the speed of light shows the visual distortions that would be experienced at such high speeds. The star field is actually being wrapped toward the front of the craft in addition to being significantly blue-shifted. NASA Glenn leads the Breakthrough Propulsion Physics Project, NASA's primary effort to produce near-term, credible, and measurable progress toward the technology breakthroughs needed to revolutionize space travel and enable interstellar voyages. NASA Lewis (now Glenn) Research Center, Cleveland, Ohio.

OBSERVATION FROM THE SPACE STATION