Image credit: NASA/JPL-Caltech

Via NASA PAO

Two spacecraft engineers join a grouping of vehicles providing a comparison of three generations of Mars rovers developed at NASA’s Jet Propulsion Laboratory, Pasadena, Calif. The setting is JPL’s Mars Yard testing area.

Front and center is the flight spare for the first Mars rover, Sojourner, which landed on Mars in 1997 as part of the Mars Pathfinder Project. On the left is a Mars Exploration Rover Project test rover that is a working sibling to Spirit and Opportunity, which landed on Mars in 2004. On the right is a Mars Science Laboratory test rover the size of that project’s Mars rover, Curiosity, which is on course for landing on Mars in August 2012.

Sojourner and its flight spare, named Marie Curie, are 2 feet (65 centimeters) long. The Mars Exploration Rover Project’s rover, including the “Surface System Test Bed” rover in this photo, are 5.2 feet (1.6 meters) long. The Mars Science Laboratory Project’s Curiosity rover and “Vehicle System Test Bed” rover, on the right, are 10 feet (3 meters) long.

The engineers are JPL’s Matt Robinson, left, and Wesley Kuykendall. The California Institute of Technology, in Pasadena, operates JPL for NASA.

Did you know that you can follow Curiosity’s Mission LIVE at Space Center Houston?  Learn more about our special presentation, Mission to Mars taking place daily in Blast-Off Theater.  Save five dollars off admission when you buy online!

Via NASA Public Affairs Office

WASHINGTON — A camera aboard one of NASA’s twin Gravity Recovery And Interior Laboratory (GRAIL) lunar spacecraft has returned its first unique view of the far side of the moon. MoonKAM, or Moon Knowledge Acquired by Middle school students, will be used by students nationwide to select lunar images for study.  GRAIL consists of two identical spacecraft, recently named Ebb and Flow, each of which is equipped with a MoonKam. The images were taken as part of a test of Ebb’s MoonKam on Jan. 19. The GRAIL project plans to test the MoonKAM aboard Flow at a later date.

In the video, the north pole of the moon is visible at the top of the screen as the spacecraft flies toward the lunar south pole. One of the first prominent geological features seen on the lower third of the moon is the Mare Orientale, a 560 mile-wide (900 kilometer) impact basin that straddles both the moon’s near and far side. The clip ends with rugged terrain just short of the lunar south pole. To the left of center, near the bottom of the screen, is the 93 mile-wide (149 kilometer) Drygalski crater with a distinctive star-shaped formation in the middle. The formation is a central peak, created many billions of years ago by a comet or asteroid impact.

Did you know you can visit the Moon at Space Center Houston? Check out our massive collection of spacecraft and space memorabilia in our world renowned Starship Gallery.  This impressive collection includes a “walk through” trainer for Skylab, the world’s largest collection of Moon rocks (outside of NASA), and a life diorama of the lunar surface!  Save $5 off regular admission when you buy tickets online.  Do something amazing!