SETI public: Urge to Merge: Here Comes Andromeda

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Science/Astronomy:

* Urge to Merge: Here Comes Andromeda

http://www.space.com/searchforlife/seti_doyle_merge_051208.html

The Andromeda spiral galaxy will merge with the Milky Way in about six
billion
years. Although no stars will likely touch (the spacing between stars is
huge),
this interaction will most certainly gravitationally affect every star in
both
galaxies.

* Astronomers Measure Distance to Milky Way's Spiral Arm

http://www.space.com/scienceastronomy/051208_spiral_arm.html

Astronomers can provide detailed images of beautifully swirling galaxies
millions of miles away. It's our own galaxy they haven't been able to get
their
arms around.

• Previous message: LARRY KLAES: "SETI public: How unlikely is a doomsday catastrophe?"

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