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Intro Astronomy Class 3: Telescopes, the Moon

Bruce Betts • February 21, 2014

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.

Super-close supernova in M82

Emily Lakdawalla • January 22, 2014 • 8

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.

Planetary Radio: The Gemini Planet Imager

Mat Kaplan • January 14, 2014 • 1

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.

Shaping the Search for Life

Jason Davis • January 14, 2014 • 1

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

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.

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