Planet-hunter Sara Seager hopes to complete the Copernican Revolution by locating a true Earth analog beyond our solar system.
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Eli Dwek of NASA's Goddard Space Flight Center in Greenbelt, Md. and Richard Arendt of the University of Maryland, Baltimore County, say these echoes are powered by radiation from Cassiopeia A supernova shock wave that blew the star apart some 11,000 years ago.
Galaxy Evolution Explorer
Uses ultraviolet wavelengths to measure the history of star formation 80 percent of the way back to the Big Bang.
› Mission home page
Keck Interferometer
Links two 10-meter (33-foot) telescopes, which form the world's most powerful optical telescope system.
› Telescope home page
Palomar Observatory
A joint effort between JPL and the California Institute of Technology, the Palomar Observatory houses a collection of famous telescopes.
› Palomar home page
Spitzer Space Telescope
Uses infrared technology to study celestial objects that are too cool, too dust-enshrouded or too far away to otherwise be seen.
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Ulysses
Orbits sun around the north and south poles.
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Voyager to the Outer Planets
Voyager 1 and 2 flew past Jupiter and Saturn. Voyager 2 also flew by Uranus and Neptune. Voyager 1 is now approaching interstellar space.
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Wide Field and Planetary Camera 2
This camera, designed and built at JPL, served as the main camera capturing pictures on NASA's Hubble Space Telescope. It still takes images of planets, stars and galaxies.
› Hubble home page
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NASA's Spitzer Gets Sneak Peak Inside Comet Holmes
When comet Holmes unexpectedly erupted in 2007, professional and amateur astronomers around the world turned their telescopes toward the spectacular event.
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Splashy Portrait Helps Explain How Stars Form
Different wavelengths of light swirl together like watercolors in a new, ethereal portrait of a bright, star-forming region.
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Artists and Astronomers 'Observe' the Universe Together
A new exhibition opening in Pasadena brings artists and astronomers together to create original pieces of art. The project is a collaboration between the Art Center College of Design and NASA's Spitzer Science Center.
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What's Up for September
Step away from the city lights and gaze up at our Milky Way galaxy. You may even see one of the galaxy's spiral arms with your own eyes! |
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Interactive: New Worlds Atlas
Explore strange new worlds with this continuously updated database of all known planets beyond our solar system. |
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What's Up for January
There's more the to the stars than meets the eye. Find out where to look for stars that have planets orbiting them. |
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