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News from Sky & Telescope
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Earth and Moon Dance for a Far Camera
July 23, 2008
From more than 30 million miles away, a NASA spacecraft snapped away as the Moon made a graceful pass in front of Earth's colorful disk.
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A Galactic Dead Zone
July 22, 2008
Astronomers find that the organic compounds common throughout our galaxy and others suddenly disappear along M101's outer edge.
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Weighing Black Holes with a Thermometer
July 22, 2008
Astronomers use the 12-million-kelvin-blaze of a galaxy's central region to measure its supermassive black hole.
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Mars's Ancient Water Works
July 17, 2008
New observations from a NASA orbiter reveal that water and rock freely mingled across (or under) much of the Red Planet's surface.
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Make Way for Makemake
July 17, 2008
It took three years to settle on a name for the third-largest object in the Kuiper Belt.
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Artificial Intelligence Aids Astronomers
July 17, 2008
Astronomers have designed a neural network that can determine the particulars of binary star systems by just examining their light curves and it can do it really, really fast.
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Best in League
July 17, 2008
The Astronomical League has announced its best webmaster for 2008.
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Are Jupiters Hard to Come By?
July 11, 2008
A recent survey of stars in the Orion Nebula Cluster reveals that less than 10% of stars there have enough material in their surrounding disks to form Jupiter-sized planets.
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Asteroids with Split Personalities
July 11, 2008
Where did the dozens of known binary asteroids come from? According to a new finding, sunlight alone can force a body to spin in such a frenzy that it literally flies apart.
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Faint Supernovae Remain Unexplained
July 10, 2008
A subclass of supernovae that fades much faster than expected reveals possible kinks in astronomers' theories of what causes these explosions.
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Water in Moon Dust Raises Questions
July 8, 2008
Traces of water recently found in glassy granules brought back 40 years ago by the Apollo 15 crew suggest scientists haven't quite figured out yet just how our Moon formed.
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Shiny Eye for Airborne Observatory
July 7, 2008
The main mirror for the world's most advanced flying observatory has been transformed from a carefully shaped and polished piece of glass into a highly
reflective optical component ready to study the infrared universe.
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Brown-Dwarf Binary Tests Theories
July 8, 2008
Recent calculations for a pair of failed stars add to astronomers' scant knowledge of brown dwarfs and will help set a reference point for future studies.
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Mercury: The Incredible Shrinking Planet
July 3, 2008
During its first flyby of Mercury, NASA"s Messenger spacecraft found much less iron on the planet’s surface than expected and a cloud of ionized atoms including water caught up in the planet’s magnetosphere. And that’s just for starters.
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