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Dr. Keith Noll of the Hubble Heritage Project and the Exploratorium's Ron Hipschman explain how MERs’ images are sent back to Earth.

Explore how Mars’s gravity and geology would affect rock climbers, with the Exploratorium's Dr. Paul Doherty.

How old would you be on Mars? Learn how time passes on Mars by exploring its calendar and seasons.

Find out what sunsets look like on Mars and what makes the red planet red with images taken by the MERs’ cameras

Come to the Exploratorium and see the first images from the Mars Rover Spirit. Learn about the Mars missions and the tools used to explore Mars.

SETI is a scientific effort seeking to determine if there is intelligent life outside Earth. We were at Aricebo Radio Observatory in March 2003 when scientists listened to the most promising transmissions from UC Berkeley’s SETI@home search. Join the Exploratorium’s Ron Hipschman and special guest Dan Werthimer, chief scientist and principal investigator for the SETI Institute’s efforts, including Arecibo Observatory’s search of artificial radio signals coming from other stars.

See an 8 minute video of the planet Mars from the James Lick Observatory telescope!

We stayed up with Exploratorium scientist Ron Hipschman at the Lick Observatory in San Jose, California, for the best view we've had of Mars in a long, long time. At midnight on August 27, Earth and Mars passed closer to one another than they have in 60,000 years. Astronomers were on hand to tell us all about our nearest neighbor—its geography, orbit, and why both NASA and the European Space Agency have chosen this time to launch robotic missions to Mars.

Exploratorium staff Ron Hipschman and Robyn Higdon sum up the last five days of spacewalks, and show a couple of good-bye conferences with the shuttle astronauts.

The Advanced Camera for Surveys (ACS) was successfully installed. In preparation for the installation of the NICMOS Cooling System tomorrow, the astronauts also installed the Electronics Support Module. We also talk with Massimo Stiavelli, a scientist at the Space Telescope Science Institute about his involvement with the ACS and the future Wide Field Planetary Camera 3 (WFPC3) scheduled to be installed during the next servicing mission in 2004.