Mars rover examines watermelon-size meteorite / A planetary collision

    NEWSALERT: Tuesday, August 11, 2009 @ 1847 GMT
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        The latest news from Spaceflight Now


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COMMEMORATIVE APOLLO MISSION COLLAGE
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METEORITE FOUND ON MARS YIELDS CLUES ABOUT PLANET'S PAST
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NASA's Mars Rover Opportunity is investigating a metallic meteorite the
size of a large watermelon that is providing researchers more details
about the Red Planet's environmental history.

http://spaceflightnow.com/news/n0908/11meteorite/


PLANET CRASH SENDS VAPORIZED ROCK, LAVA FLYING
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NASA's Spitzer Space Telescope has found evidence of a high-speed
collision between two burgeoning planets around a young star. Astronomers
say that two rocky bodies, one as least as big as our moon and the other
at least as big as Mercury, slammed into each other.

http://spaceflightnow.com/news/n0908/11smashup/


THE SUN'S EXCESSIVE YOUTH
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In its youth our Sun span ten times faster, with a much more powerful
magnetic field and enormous sunspots covering it like vast continents on a
planet.

http://www.astronomynow.com/news/n0908/11sun/