Topic: Amy Mainzer
Trojan asteroid: NASA has discovered that Earth has an asteroid companion traveling just ahead of our planet as it orbits the sun. This so-called Trojan asteroid could serve as a stepping stone to celestial objects farther afield.
07/28/2011 04:23 pm
The images of these star-nurseries were taken by NASA's Wide-field Infrared Survey Explorer, or WISE, space telescope, which is about three-fourths of the way through it's infrared scan of the entire sky.
05/24/2010 01:44 pm
NASA is scheduled to launch its WISE space observatory Monday. It will map the whole sky in infrared wavelengths, potentially revealing objects many telescopes can't see.
12/13/2009 06:25 pm