UPCOMING: USA Science & Engineering FestivalIn support of the President's initiative to graduate one million STEM students over the next decade, NASA is the anchor exhibit at festival on April 25-27, in Washington D.C. Join a Mission to Mars Virtual Field Trip on Friday, April 25. › Read More
Lunar Eclipse As Seen From The Moon (artist concept) - 4/15/2014
With the lunar horizon in the foreground, the Earth passes in front of the Sun, revealing the red ring of sunrises and sunsets along the limb of the Earth. The "No Stars" frames omit the starry background and include an alpha channel.