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 * * * SKY & TELESCOPE's WEEKLY NEWS BULLETIN - March 4, 2005 * * *

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Welcome to S&T's Weekly News Bulletin. Images, the full text of stories
abridged here, and other enhancements are available on our Web site,
SkyandTelescope.com, at the URLs provided below. (If the links don't work,
just manually type the URLs into your Web browser.) Clear skies!

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EINSTEIN PASSES NEW TESTS

Albert Einstein's 90-year-old general theory of relativity has just been
put through some of its most stringent tests yet, and it has passed each
one with flying colors. Radio observations show that a recently discovered
binary pulsar is behaving in lockstep accordance with Einstein's theory of
gravity in at least four different ways, including the emission of
gravitational waves and bizarre effects that occur when massive objects
slow down the passage of time....

> http://SkyandTelescope.com/news/article_1473_1.asp

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SATURN LIGHTS

As any seasoned night-sky observer will tell you, the best time to glimpse
an aurora is directly after a solar storm. And what's true for Earth,
astronomers recently learned, is also true for Saturn. However, three
papers published in the February 17th issue of NATURE suggest that
Saturn's aurorae behave much differently than those here on Earth, or
anywhere else in the solar system.

The Hubble Space Telescope took spectacular ultraviolet images of Saturn's
southern hemisphere region over a period of several weeks in January
2004....

> http://SkyandTelescope.com/news/article_1470_1.asp

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HIGHLIGHTS OF THIS WEEK'S SKY

* New Moon on Thursday, March 10th.
* Mercury (magnitude -1) is having its best evening apparition of 2005.
Look for it low in the west in evening twilight.
* Saturn (magnitude 0.0, in Gemini) shines brightly very high in south the
during evening, excellently placed for telescopic viewing. It's near
Castor and Pollux (and substantially brighter).

For more details, see This Week's Sky at a Glance and Planet Roundup:

> http://SkyandTelescope.com/observing/ataglance

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SAVE THE DATE (Advertisement)

Don't miss the largest astronomical gathering on the East Coast!
Cosponsored by SKY & TELESCOPE and the Rockland Astronomy Club, the 14th
annual Northeast Astronomy Forum and Telescope Show will be held Saturday,
April 16th through Sunday, April 17th. Mark your calendar for this two-day
event held in Suffern, New York. Shop for binoculars, telescopes,
eyepieces, software, books, and accessories from more than 80 on-site
vendors.

Keynote speakers include: NIGHT SKY contributing editor Phil Plait, author
of BAD ASTRONOMY; world-renowned celestial cartographer Wil Tirion; and
Michael A'Hearn, principal investigator of NASA's Deep Impact mission to
Comet Tempel 1.

For more information visit:
> http://rocklandastronomy.com/neaf.htm


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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 electronic distribution is encouraged as
long as our copyright notice is included, along with the words "used by
permission." But this bulletin may not be published in any other form
without written permission from Sky Publishing; send e-mail to
permissions@SkyandTelescope.com or call +1 617-864-7360. More astronomy
news is available on our Web site at http://SkyandTelescope.com/news/.

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