Tuesday 4 March 2014

Lunar Pockmark

Way Cool--As They Say in Taranaki

Here is something to indulge the pleasures of astronomy geeks.  For our part, we are reminded once again of the wonder of the planet earth, and are thankful for the force field our Creator has put in place to protect the planet and human civilisation.

Meteor Explodes on the Moon 

The ‘Brightest Impact’ in Recorded History

Liz Klimas
TheBlaze
February 24, 2014

What were you doing on Sept. 11, 2013, at 8:07 p.m.? If you were staring up at the moon, you might have witnessed the largest lunar impact of recorded history.  Fortunately, if you weren’t gazing up at the night sky, astronomers at the University of Huelva in Spain didn’t want you to miss out and just released video of the event.

The YouTube vid below sets the scene.  It has lots of computer animation, but the actual collision between the meteor and the moon's surface is recorded in real time.  Check it out:



While it isn’t unusual for meteorites to bombard the moon — how do you think it got to be so pockmarked? — ones like that spotted by the Moon Impacts Detection and Analysis System in September are rare.

“Usually lunar impacts have a very short duration — just a fraction of a second. But the impact we detected lasted over eight seconds. It was almost as bright as the Pole Star, which makes it the brightest impact event that we have recorded from Earth,”Jose Madiedo, a professor with the University of Huelva, said, according to BBC.

In the Monthly Notices of the Royal Astronomical Society journal article detailing the event, the astronomers estimated that the impact was like 15 tons of TNT exploding. The result of such an impact, the team estimated, could result in a 131-foot-wide crater, which the BBC reported they believe NASA’s observations will confirm.

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