SETI bioastro: Fw: Today on SPACE.com -- Tuesday, April 1, 2003

• Previous message: LARRY KLAES: "SETI bioastro: Fw: This Week in The Space Review - 2003 March 31"

Science/Astronomy:

* What is a Moon? Definition Lags Behind Soaring Satellite Tally
http://www.space.com/scienceastronomy/moon_definition_040103.html

In the old days of astronomy, before Galileo, there was just the Moon. Then scientists had to accept the clear and visible evidence of four objects orbiting Jupiter, satellites the master saw through a crude telescope in 1610.

* Better Picture of the Universe in Adolescence
http://www.space.com/scienceastronomy/chandra_universe_030401.html

By intently observing a small patch of sky with NASA's Chandra X-ray Observatory, astronomers have come up with a clearer vision of the universe when it was a little more than half its present age. Then they blurred the image to get an even better view.

* Astronotes: Black Holes Really Are Holes, Study Shows
http://www.space.com/astronotes/astronotes.html

They are black because light can't escape once drawn inside. They are holes because they have no surface, only a sphere of influence, called the event horizon, beyond which nothing can get out.

* File Compression: New Tool for Life Detection?
http://www.space.com/scienceastronomy/planetearth/astrobio_rocks_030331.htm

To those interested in early life on Earth, stromatolites are among the most intriguing life forms known. Billions of years ago, they may have been the dominant form of life on the planet. Some scientists speculate that, perhaps, similar organisms once populated Mars

* Scientist Drills Down to the Science of 'The Core'
http://www.space.com/searchforlife/shostak_core_030331.html

* SETI@home Users Get More Signals to Analyze
http://www.space.com/scienceastronomy/setiathome_030328.html

* Gemini: The Origin of 'By Jiminy' and More to Explore
http://www.space.com/spacewatch/gemini_twins_030328.html

* Mars Water, Odd Surface Features Tied to Life
http://www.space.com/scienceastronomy/mars_streaks_030328.html

• Previous message: LARRY KLAES: "SETI bioastro: Fw: This Week in The Space Review - 2003 March 31"

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