SETI bioastro: Supernova threat lessened but still real

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From: LARRY KLAES (ljk4@msn.com)
Date: Thu Dec 19 2002 - 08:34:59 PST


Exploding Stars: Threat to Earth Lower But Still Real

http://www.space.com/scienceastronomy/supernova_threat_021216.html

There are plenty of potential perils for Earth and its inhabitants, from the threat of global warming to the potential for a deadly asteroid strike or a devastating nuclear disaster. So it's nice to hear about a risk that's gone down a bit.

* Lunar Crash of 1953: Impact Crater Identified
http://www.space.com/missionlaunches/lunar_impact_021214.html

Just a few decades ago, Earth's Moon was on the receiving end of an asteroid-sized body that slammed into the lunar surface.

* Saturn Viewer's Guide: Ringed Beauty as Bright as it Gets
http://www.space.com/spacewatch/saturn_guide_021213.html

Saturn is now brighter than at anytime in the past three decades and makes a fine and simple skywatching target in the evening sky.


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