[MIham] Solar Wind Dries Venus

[FSK]

Space Weather News for Nov. 29, 2007
http://spaceweather.com

SOLAR WIND DRIES VENUS: The European Space Agency's Venus Express spacecraft
has made an important discovery: the solar wind dries out Venus. Unlike
Earth, Venus has no global magnetic field to deflect particles from the sun;
when solar wind hits Venus it actually strips away some of Venus' upper
atmosphere. Hydrogen and oxygen atoms fly into space, removing from Venus
the chemical building blocks of water. This process makes an already hellish
planet even worse.  Links to more information may be found at
Spaceweather.com.

COMET 17P/HOLMES UPDATE:  Now that the full Moon has left the evening sky,
Comet Holmes is visible again. The comet is not as bright as it was when it
first exploded in late October. Most people now have trouble finding it with
the naked eye. A quick sweep through Perseus with a pair of binoculars,
however, will pinpoint the comet while the smallest of telescopes reveals it
to be a truly impressive object.   Comet Holmes now occupies about 10 times
the volume of the Sun and it is developing a hint of a blue-green tail.  A
similar tail was observed in early November, but it broke off during an
apparent magnetic storm.  Now the tail is growing back. Visit
http://spaceweather.com for sky maps and the latest images.

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