asteroid
In Two Weeks This 50-Meter Asteroid Will Buzz Our Planet
Asteroid 2012-DA14 will pass Earth closely on Feb. 15, 2013 (NASA) On February 15 a chunk of rock about 50…
Ancient Impacts Stained Vesta with Carbon-Rich Material
Composite-color 3D image of Cornelia crater on Vesta (NASA/JPL-Caltech/UCLA/MPS/DLR/IDA) Ever since arriving at Vesta in July 2011, NASA's Dawn spacecraft…
New Study Shows Cosmic Rays Could Cause Alzheimer’s
Humans explore Mars in "Distant Shores," an illustration by NASA artist Pat Rawlins Cosmic rays from deep space could pose…
Asteroid Toutatis Tumbles by Earth: Images and Videos
Goldstone delay-Doppler radar images of Toutatis from December 11, 2012. Credit: NASA While Asteroid 4179 Toutatis was never a threat…
Say Hello to Asteroid 2007 PA8
Radar images of asteroid 2007 PA8 acquired on October 28, 29 and 30. (NASA/JPL-Caltech/Gemini) Take a good look at asteroid…
Vesta’s Deep Grooves Could Be “Stretch Marks” From Impact
Dawn image of Vesta showing its nearly circumferential equatorial grooves (NASA/JPL-Caltech/UCLA/MPS/DLR/IDA) Even though NASA's Dawn spacecraft has departed Vesta the…
Astronomers Measure Sunlight’s Shove
The physical force of sunlight on a moving asteroid has been measured by NASA scientists, providing information on how to…
The Bright and Dark Side of Vesta’s Craters
[/caption] Bright craters, dark craters... craters shaped like butterflies... they're all represented here in a panorama made from images acquired…
Mexican Lake Bears Witness To Ancient Impact
[/caption] Exotic sediments found beneath the floor of Lake Cuitzeo in central Mexico support theories of a major cosmic impact…
By Dawn’s Early Light
[/caption] Sunrise on Vesta highlights the asteroid's varied surface textures in this image from NASA's Dawn spacecraft, released on Monday,…