Mark Turner's Mysterious World: meteor

5/30/13

Huge Asteroid 1998 QE2 Sails By Earth on Friday

Megan Gannon

SPACE.com

A massive asteroid nearly 2 miles wide will zip by Earth on Friday (May 31), in a cosmic event that has grabbed the attention of stargazers, scientists and even White House officials. The asteroid poses no threat of hitting Earth during the flyby, NASA officials assure.

The huge asteroid 1998 QE2 is the size of nine cruise ships, about 1.7 miles (2.7 kilometers) across, NASA scientists say. While the asteroid makes its closest approach to Earth on Friday, traveling within 3.6 million miles (5.8 million km), you don't have to wait that long to see it. NASA chief Charles Bolden will host live telescope views of the asteroid today (May 30) at 1:30 p.m. EDT (1739 GMT) during a one-hour broadcast from the agency's Jet Propulsion Laboratory in Pasadena, Calif.

Story continues here: news.yahoo.com

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5/18/13

This artist's illustration shows a meteor crashing into the surface of the moon. Scientists say hundreds of space rocks impact the lunar surface every year.
CREDIT: NASA

Clara Moskowitz

SPACE.com

The moon has a new hole on its surface thanks to a boulder that slammed into it in March, creating the biggest explosion scientists have seen on the moon since they started monitoring it.

The meteorite crashed on March 17, slamming into the lunar surface at a mind-boggling 56,000 mph (90,000 kph) and creating a new crater 65 feet wide (20 meters). The crash sparked a bright flash of light that would have been visible to anyone looking at the moon at the time with the naked eye, NASA scientists say.

"On March 17, 2013, an object about the size of a small boulder hit the lunar surface in Mare Imbrium," Bill Cooke of NASA's Meteoroid Environment Office said in a statement. "It exploded in a flash nearly 10 times as bright as anything we've ever seen before."