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A case of the measles for Jupiter?

Emily Lakdawalla • November 26, 2013 • 1

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!"

Neptune: The new amateur boundary?

Christophe Pellier • November 07, 2013 • 3

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.

Why does ISON look green?

Matthew Knight • October 29, 2013

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.

Uranus Awaits

Geraint Jones • October 18, 2013 • 3

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.

Our Improved Optical Search for ET

Bruce Betts • October 08, 2013

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.

Making mirrors for the Giant Magellan Telescope

Jason Davis • September 02, 2013 • 1

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.

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

Emily Lakdawalla • August 16, 2013

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.

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

Karl Battams • August 13, 2013 • 1

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.

The Peak of Discovery

Mat Kaplan • July 16, 2013

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

Planetary Society Hangout: Arkyd Telescopes, Planetary Resources, Chris Lewicki

Bruce Betts • June 27, 2013 • 2

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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