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Mars Exploration Rovers Update: Spirit Investigates New Outcrop Methuselah as Opportunity Roves into a Ripple and Gets Stuck

A.J.S. Rayl • April 28, 2005

The Mars Exploration Rovers have both encountered some truly challenging obstacles in recent days, but have also presented the team with some surprises, and continue to be in overall good health some 16 months after bouncing to a landing, and more than a year after completing their primary missions.

Astronomers Revise Torino Scale Asteroid Advisory System

A.J.S. Rayl • April 20, 2005

Astronomers have revised the Torino scale, the color-coded advisory system to assess the threat of asteroids and other near-Earth objects (NEOs) to make it easier for the public to understand.

astronaut on Phobos
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