public marks

PUBLIC MARKS with tags planets & space

April 2007

Mars Rover Celebrates Milestone

by cflick
More than 910 days after its "90-day warranty" expired, NASA's rover Spirit is still carrying out its mission on Mars. Discovery News reporter Jorge Ribas finds out how the robot has lasted so long.

March 2007

November 2006

October 2006

September 2006

August 2006

Earth's Moon Could Become a Planet

by starexplorer
If astronomers approve a newly proposed planet definition next week, things could get really strange. Sure, asteroid Ceres will become a planet. Pluto's moon Charon will become a planet.

July 2006

June 2006

The Size Of Our World

by YukuanMark & 12 others
Graphical display of the relative size of our Sun, our Planets and other stars.

April 2006

February 2006

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