Jumat, 18 Desember 2015

Astronomy Newsletter - 12/18/15

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NEWS

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NASA/JPL-Caltech/UCLA/MPS/DLR/IDA
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The salty truth about Ceres' bright spots

Scientists say salt best explains the weird white spots that stand out against asphalt colored Ceres.

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NASA/JPL-Caltech

Space telescopes see Jupiter-like storm on small star

While planets have been known to have cloudy storms, this is the best evidence yet for a star that has one.

 

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M. Weiss/CfA

Gamma rays tell story of their travels

A flare of very high-energy gamma rays emitted from a galaxy halfway across the universe has put new bounds on the amount of background light in the universe and given astrophysicists clues to how and where such gamma rays are produced.

 

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NASA/ESA/P

Hubble captures first-ever predicted exploding star

The reappearance of the supernova was calculated from different models of the galaxy cluster whose immense gravity is warping the supernova’s light.

 

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JANUARYISSUE

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January 2016 Issue Preview Video

Watch Editor David J. Eicher share highlights from the January Issue of Astronomy magazine. This month's issue counts down the biggest space stories of 2015, recaps Dawn's exploration of dwarf planet Ceres, reviews the life and times of Stephen Hawking, and more.

Watch now »

MULTIMEDIA

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SEASONAL OBSERVING

Winter observing targets for small telescopes

 

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THE REAL REALITY SHOW

How large is the universe?

 

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SUPERSTARS OF ASTRONOMY

Seth Shostak: Life in the universe

 

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OBSERVINGTOOLS

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Tony Rowell

December sky highlights

The parade of morning planets — Venus, Mars, and Jupiter — continues during December, but the month’s highlight comes on the 14th when the prolific Geminid meteor shower reaches its peak.

Astronomy magazine subscribers have access to the complete version of December's The Sky this Month at Astronomy.com. To learn about other daily sky events, visit The Sky this Week.

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Observing Podcast

December 17 - 24

  • NGC 1624

  • NGC 1931

  • NGC 1964

 

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BLOGS

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THE LOCAL GROUP

NASA should return to the Moon first, says the last man to step foot on it

Forty-three years ago, Gene Cernan left humanity’s last footprint on the surface of the Moon. Now, he advocates for our return.

 

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DAVE’S UNIVERSE

Treasures of the Kennedy Space Center

Astronomy magazine’s editor-in-chief tours Kennedy Space Center and shares his favorite photos of the trip.

 

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READERGALLERY

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NEBULAE GALLERY

The Orion Nebula (M42)

User RayM0506 imaged the familiar yet always spectacular Orion Nebula.

 

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PICTURE OF THE DAY

Spiral galaxy M74 in Pisces

Michael Caligiuri captured this image from San Diego, California.

 

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GALAXIES GALLERY

The heart of the Andromeda Galaxy (M31)

User RayM0506 captured the heart of our giant neighboring galaxy.

 

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ASKASTRO

Send us your astronomy questions

Perplexed by planets? Confused by cosmology? Baffled by black holes? Then send in your questions.

If you have an astronomy question about observing, equipment, the planets, stars, cosmology, or astronomy history, send it in! Astronomy magazine editors select five questions each month for publication in the Ask Astro section of the magazine. If your question is selected, we will forward it to an expert for a response. Then, the question and answer will appear together in a future issue. We may edit or revise your question for clarity.

 

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