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Blogs

Blog Archive

 

The Habitable Zone of Inhabited Planets

Posted by Jaime Green on 2014/07/07 03:14 CDT | 10 comments

A team of Colombian researchers are arguing for a new refinement to the idea of the habitable zone that takes the presence of life itself into account.

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How Weird Is Our Solar System?

Posted by Jaime Green on 2014/05/05 10:54 CDT | 6 comments

Earth and its solar system compatriots all have nearly circular orbits, but many exoplanets orbit their stars on wildly eccentric paths. Is our home system strange? Or is our sense of the data skewed?

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Intro Astronomy 2014. Class 11: Exoplanets and Solar System Origin and Formation

Posted by Bruce Betts on 2014/04/25 04:30 CDT

Learn about the formation and origin of the Solar System and go beyond our neighborhood to investigate exoplanets (planets around other stars) in this video of class 11 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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The Birth of the Wanderers

Posted by Augusto Carballido on 2014/04/16 02:50 CDT | 9 comments

How did planets originate? This is a question that has puzzled scientists for centuries, but one which they have been able to tackle directly only in the last few decades, thanks to two major developments: breakthroughs in telescope technology and ever-increasing computing power.

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Update on the search for planets in the Alpha Centauri system

Posted by Bruce Betts on 2014/04/04 10:29 CDT | 2 comments

Update from Debra Fischer and her team on the intriguing results of their observations of the main Alpha Centauri stars, as well as future plans.

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Cosmos with Cosmos Episode 12: Encyclopedia Galactica
In which we ponder the existence of others

Posted by Casey Dreier on 2014/02/05 04:55 CST | 8 comments

Cosmos returns in fine form in its penultimate episode. Sagan explores the historical and scientific precedents for the search for extraterrestrial life (SETI) and our human desires to not be alone in 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 comment

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 comment

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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Alpha Centauri Planet Hunt Update

Posted by Bruce Betts on 2013/10/15 11:27 CDT | 2 comments

An update from Yale’s Debra Fischer about the Alpha Centauri planet hunt, partially sponsored by The Planetary Society, as well as her team’s efforts to remove “noise” from parent stars to help find exoplanets.

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The "Starship Century" Beckons
Gregory and James Benford return to Planetary Radio

Posted by Mat Kaplan on 2013/10/01 10:30 CDT

The Benford brothers provide inspiration and hard fact in their excellent new anthology about interstellar travel.

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Europe Will Select Its Next Major Science Mission in November

Posted by Van Kane on 2013/09/25 01:22 CDT | 2 comments

The European Space Agency will announce two major science missions this November, one of which is likely to be devoted to solar system exploration.

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Book review: Destiny or Chance Revisited

Posted by Emily Lakdawalla on 2013/09/04 01:02 CDT | 1 comment

What have the recent discoveries of thousands of exoplanets told us about how we got here, and whether we are alone? In Destiny or Chance Revisited, Stuart Ross Taylor attempts to answer those two questions.

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Upgraded Alpha Centauri Planet Search Underway

Posted by Bruce Betts on 2013/07/26 04:32 CDT

The Planetary Society sponsored Alpha Centauri planet search started using a newly upgraded system in May. Here is a quick update including info from project leader Debra Fischer from Yale about their new system.

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One Ocean World Among Many

Posted by Jim Bell on 2013/06/03 03:53 CDT | 6 comments

I'm absolutely floored when I stop to think that our beautiful blue ocean is only one of perhaps a half dozen or more oceans on other worlds in our solar system, and only one of probably millions (or more) oceans on other Earth-like planets in our galaxy. Oceans abound!

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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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ALMA Adventure--Complete Interviews With Planetary Radio Guests

Posted by Mat Kaplan on 2013/03/26 12:33 CDT | 6 comments

The extended, mostly unedited recordings of my conversations with many of the people I spoke to at the ALMA Observatory in Chile. Also, the full English translation of Chilean President Sebastian Pinera's speech.

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Atacama Diary for March 2, 2013--ALMA Explained

Posted by Mat Kaplan on 2013/03/02 07:00 CST

The second in a series of audio blogs chronicling my trip to the driest spot on Earth, Chile's Atacama desert, to see the inauguration of the ALMA Observatory. Al Wootten and Alison Peck tell the story of ALMA.

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Planetary Society Weekly Hangout, Thu Feb 14 1200PT/2000UT: Courtney Dressing

Posted by Emily Lakdawalla on 2013/02/14 01:40 CST | 3 comments

Emily Lakdawalla and Courtney Dressing talked about just how common Earth-sized exoplanets may be in our neighborhood. Watch the replay here.

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The raw data behind an Earth-like exoplanet

Posted by Jason Davis on 2013/01/11 03:29 CST | 14 comments

Taking a closer look at KOI 172.02, a super-Earth exoplanet sitting in its solar system's habitable zone.

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Report from AAS: Exoplanets (and exo-asteroids, and exo-comets) everywhere

Posted by Emily Lakdawalla on 2013/01/08 06:52 CST | 7 comments

This year's American Astronomical Society meeting featured tons and tons of news on exoplanets. They're everywhere! And not just planets, but also asteroids, comets, and more....

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