From: LARRY KLAES (ljk4_at_msn.com)
Date: Mon Sep 12 2005 - 15:53:33 UTC
>From: <bulletins_at_SkyandTelescope.com>
>Reply-To: <wnb_at_SkyandTelescope.com>
>To: <ljk4_at_msn.com>
>Subject: S&T's Weekly News Bulletin for Sept. 9
>Date: Fri, 9 Sep 2005 19:40:32 -0400
>
>========================================================================
>
> * * * SKY & TELESCOPE's WEEKLY NEWS BULLETIN - September 9, 2005 * * *
>
>========================================================================
>
>Welcome to S&T's Weekly News Bulletin. Images, the full stories abridged
>here, and other enhancements are on our Web site, SkyandTelescope.com, at
>the URLs provided. (If the links don't work, just paste them into your Web
>browser.) Clear skies!
>
>========================================================================
>
>DEEP IMPACT RESULTS
>
>It's been two months since the Deep Impact spacecraft's impactor slammed
>into the nucleus of Comet Tempel 1. And astronomers are continuing to
>learn about the physics of the event, the nature of the excavated debris,
>and how the experiment's results are changing what they know about comets
>and the early solar-system conditions in which these ancient relics
>formed. At this week's Division for Planetary Sciences meeting in
>Cambridge, England, scientists from around the world described their
>latest findings....
>
> > http://SkyandTelescope.com/news/article_1589_1.asp
>
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>
>SPIRIT ROVER SAMPLES HUSBAND HILL
>
>For much of its nearly two-year mission, NASA's Mars Exploration Rover
>Spirit has been the forgotten child. Its twin, Opportunity, was the first
>to find geological layering and evidence for past liquid water, and its
>landing site is covered by diverse rocks and soils. However, Spirit's
>fortune changed when it reached the Columbia Hills in June 2004. Since it
>began its trek up Husband Hill, the highest of the peaks, the intrepid
>rover has found no fewer than five different classes of rocks....
>
> > http://SkyandTelescope.com/news/article_1586_1.asp
>
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>
>MAKING METHANE ON MARS
>
>Mars keeps surprising the experts. Consider methane, for example. On Earth
>some 90 percent of this gas comes from biological sources -- cows,
>termites, rice plants -- so why is it also being made on (presumably)
>sterile Mars? Geological processes such as volcanism contribute hardly any
>methane at all.
>
>A new study of Martian atmospheric chemistry by Sushil K. Atreya
>(University of Michigan) implies that methane production might be quite
>active on the Red Planet and that scientists cannot rule out a biological
>source. Atreya examined possible abiogenic sources of Martian methane....
>
> > http://SkyandTelescope.com/news/article_1585_1.asp
>
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>
>LONGTIME S&T EDITOR HONORED
>
>This week the American Astronomical Society's Division for Planetary
>Sciences (DPS) presented the 2005 Harold Masursky Award for outstanding
>service to planetary science and exploration to J. Kelly Beatty, executive
>editor of Sky & Telescope and editor of Sky & Telescope's new sister
>magazine, Night Sky. "For more than 30 years, Beatty has been a leading
>communicator and interpreter of planetary science through his writing,
>editing, broadcasting, and public speaking...."
>
> > http://SkyandTelescope.com/news/article_1584_1.asp
>
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>
>THE MISSING MARTIAN CARBONATES
>
>Ask any Mars expert what great mysteries still surround the red planet,
>and you're likely to hear about the "missing carbonates." When Mars was
>very young the planet was warm and liquid water flowed across its surface.
>Mars also had a thick atmosphere rich in carbon dioxide (CO2), just like
>ancient Earth. But on Earth, most of the early CO2 atmosphere dissolved
>into the oceans and formed carbonate rocks, such as limestone.
>
>If the red planet and blue planet were so similar as children, why isn't
>the adult Mars full of carbonates like the adult Earth is? Jeffrey M.
>Moore (NASA/Ames Research Center) makes the radical suggestion that
>carbonates never had a chance to form on Mars in the first place....
>
> > http://SkyandTelescope.com/news/article_1583_1.asp
>
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>
>SUPERNOVA CHAMP MAKES 40th FIND
>
>Legendary supernova hunter Robert O. Evans has made his 40th visual
>supernova discovery, a world record. Evans spotted and recognized the new,
>14th-magnitude star in the far-southern spiral galaxy NGC 1559 using his
>12-inch Newtonian reflector -- and his prodigious memory for star
>fields....
>
> > http://SkyandTelescope.com/news/article_1580_1.asp
>
>========================================================================
>
>HIGHLIGHTS OF THIS WEEK'S SKY
>
>* Venus and Jupiter shine low in west at dusk.
>* Mars rises big and bright in late evening.
>* First-quarter Moon on September 11th.
>* There's a big, active sunspot in view.
>
> > http://SkyandTelescope.com/observing/ataglance
>
>========================================================================
>
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>========================================================================
>
>Copyright 2005 Sky Publishing Corp. S&T's Weekly News Bulletin is provided
>as a free service to the astronomical community by the editors of SKY &
>TELESCOPE magazine. Widespread distribution is encouraged as long as our
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>http://SkyandTelescope.com/news/.
>
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>
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>
> > http://SkyandTelescope.com/shopatsky/emailsubscribe.asp
>
>========================================================================
>
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