The source of the meteorites
Sunday, July 13th, 2008 Posted in News, Planets, Space, Stuff | 1 Comment »They were ejected from their asteroidal “parent body” after a collision, were injected into a new orbit, and they finally felt onto the Earth. Meteorites are a major tool for knowing the history of the solar system because their composition ...
Astronomer (SMU) a Hollywood Star
Saturday, July 5th, 2008 Posted in News, Space, Stuff | No Comments »Saint Mary’s University observatory technician David Lane now has a star on the astronomy geek’s version of the Hollywood Walk of Fame. He’s in good company too, with rock and roll’s Frank Zappa just one of the famous names to make ...
Asteroid Impacts On Earth
Thursday, July 3rd, 2008 Posted in News, Planets, Space, Stuff | 1 Comment »A century ago this week, an event in far-off Siberia rang a cosmic wake-up call for Earth. That explosive event over remote Tunguska is generally viewed by scientists as a large space rock that pierced through the atmosphere of Siberia, ...
Volcanic Activity on Mercury
Thursday, July 3rd, 2008 Posted in News, Planets, Space, Stuff | No Comments »In 1975, the Mariner 10 spacecraft returned intriguing images that showed smooth plains covering large swaths of Mercury's surface. But scientists could not determine whether the plains had been created by volcanic activity or by material ejected from below the ...
Black Holes NASA’s Chandra X-Ray Observatory
Wednesday, July 2nd, 2008 Posted in Nasa, News, Space, Stuff | No Comments »Not even light can escape a black hole's grip, but gas falling into a black hole can heat up and become an intense source of X-rays, at temperatures up to 1,000 times hotter than the sun. Astronomers use the Chandra ...
