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Three Major Volcanic Eruptions Observed On Io in the Span of Two Weeks

Posted by Jason Perry on 2014/08/12 09:40 CDT | 1 comments

Jason Perry brings us a report on recent ground-based observations that shed new light on the most powerful of Io’s volcanic eruptions.

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I've been asteroided! (274860) Emilylakdawalla

Posted by Emily Lakdawalla on 2014/07/16 07:22 CDT | 13 comments

What a great piece of news to receive upon returning home from vacation! There is now a small piece of the solar system named for me: asteroid 274860 has been formally named "Emilylakdawalla" by the International Astronomical Union. Here is everything I've been able to learn about my namesake asteroid.

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Intro Astronomy 2014. Class 13: Galaxies, the Universe, Life

Posted by Bruce Betts on 2014/05/08 01:17 CDT

Discover the Universe including the Big Bang, dark matter, dark energy, galaxies, life and more in this video of class 13 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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Shining Up A Telescope

Posted by Bruce Betts on 2014/03/21 11:50 CDT

A 0.81m telescope in northern Italy is well on its way to being wide eyed and shiny thanks to a 2013 Planetary Society Shoemaker NEO Grant, which will enable it to make better near Earth object observations to help protect our planet from asteroid impact.

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Mars Express team readies for Siding Spring

Posted by ESA Mars Express Team on 2014/02/26 01:31 CST | 3 comments

On Sunday, 19 October 2014, at around 18:30 UTC, comet C/2013 A1 – known widely as 'Siding Spring' after the Australian observatory where it was discovered in January 2013 – will make a close fly-by of Mars.

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Intro Astronomy Class 3: Telescopes, the Moon

Posted by Bruce Betts on 2014/02/21 04:35 CST

Explore optical, radio, and space telescopes and the Moon in the video of class 3 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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Super-close supernova in M82

Posted by Emily Lakdawalla on 2014/01/22 11:31 CST | 8 comments

The astronomy world is all a-twitter this morning over the discovery of a new supernova in M82, a galaxy that's in our astronomical backyard, "only" 12 million light-years away. And early word is that it appears to be a Type Ia supernova, the kind that's used as a standard candle to measure the expansion of the universe.

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Planetary Radio: The Gemini Planet Imager
Featuring GPI PI Bruce Macintosh and Astronomer Franck Marchis

Posted by Mat Kaplan on 2014/01/14 11:06 CST | 1 comments

It's very nice to infer the existence of planets circling other stars. It's even better to see them. This new instrument has just become the most powerful exoplanet viewer yet created.

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Shaping the Search for Life

Posted by Jason Davis on 2014/01/14 09:24 CST | 1 comments

A short film on the Giant Magellan Telescope, which could revolutionize exoplanet research and shape the search for life in the Universe.

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A case of the measles for Jupiter?

Posted by Emily Lakdawalla on 2013/11/26 03:09 CST | 1 comments

Amateur astronomer Christopher Go has found Jupiter to be putting on a fun show for observers: it's sprouting little red spots "like it has a measles attack!"

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Neptune: The new amateur boundary?

Posted by Christophe Pellier on 2013/11/07 05:39 CST | 3 comments

Can features on Neptune be observed by amateur astronomers? For years, the Hubble Space Telescope and some professional terrestrial observatories have been revealing incomplete belts and spots on the surface of Neptune. Now, spots have been imaged by amateurs.

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Why does ISON look green?

Posted by Matthew Knight on 2013/10/29 12:23 CDT

You may have noticed that Comet ISON appears to have a green halo in some recent images, but in other images acquired at about the same time, it doesn’t. Thanks to the beautiful new spectrum posted earlier today by Christian Buil, it’s relatively easy to understand why.

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Uranus Awaits

Posted by Geraint Jones on 2013/10/18 11:23 CDT | 3 comments

It’s been a long time since anyone paid Uranus a visit. The Uranus system is, however, fascinating, as evidenced by the wealth of topics covered by the diverse group of planetary scientists who gathered to discuss it last week at the Paris Observatory.

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Our Improved Optical Search for ET
New hardware processes terabytes of data every second

Posted by Bruce Betts on 2013/10/08 11:15 CDT

The Planetary Society Optical SETI (OSETI) Telescope was successfully upgraded and fully tested, and is now fully operational looking for aliens. Here are some updates on the performance and progress. In summary, the upgraded telescope is performing just as hoped and is scanning the skies.

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Making mirrors for the Giant Magellan Telescope

Posted by Jason Davis on 2013/09/02 06:00 CDT | 1 comments

A video on the Giant Magellan Telescope and its third mirror, which was cast on August 24, 2013 at the University of Arizona's Steward Observatory Mirror Lab in Tucson, Ariz.

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Book review: Europe to the Stars, by Govert Schilling and Lars Lindberg Christensen

Posted by Emily Lakdawalla on 2013/08/16 11:05 CDT

The world's great telescopes capture stunning photographs of stars, nebulae, and other sky phenomena. In Europe to the Stars, authors Govert Schilling and Lars Lindberg Christensen share many such photos. But the real stars of this book are the great telescopes of the European Southern Observatory.

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Comet ISON lives on! (we think...)

Posted by Karl Battams on 2013/08/13 01:31 CDT | 1 comments

For several weeks now, ground-based observers have been blind to Comet ISON as our local star was sitting directly between us and the comet. I am delighted to share two pieces of good news: first, that ISON is still alive and well, and secondly that it has been recovered.

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The Peak of Discovery
Touring the Mount Wilson Observatory with the Hale Family

Posted by Mat Kaplan on 2013/07/16 04:20 CDT

This week's Planetary Radio goes on tour at the Mount Wilson Observatory with descendants of its founder.

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Planetary Society Hangout: Arkyd Telescopes, Planetary Resources, Chris Lewicki
Thursday, Jun 27, noon PDT/1900 UTC

Posted by Bruce Betts on 2013/06/27 11:15 CDT | 2 comments

We talked to Chris Lewicki, President of Planetary Resources, about their upcoming Arkyd telescopes including one for the public, asteroid mining, and more. Hosted by Bruce Betts with Jennifer Vaughn.

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Astronomy Enters a New Era
Join us for a live webcast about thrilling new tools that will come online in the next decade.

Posted by Mat Kaplan on 2013/05/26 08:45 CDT | 3 comments

A live conversation about just a few of the powerful new instruments that will revolutionize our knowledge of the cosmos once again.

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