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A possible nine-planet system

Emily Lakdawalla • April 06, 2012 • 1

Someone on Twitter pointed me to a paper recently posted to ArXiv titled "Evidence for 9 planets in the HD 10180 system." If the (tentative) conclusion holds up, HD 10180 will be the first exoplanetary system known to have more planets than our own.

Watch this week's Google+ Space Hangout

Emily Lakdawalla • January 19, 2012

This week's lineup is a largely astronomical crowd so most of the conversation concerned dark matter and boiling exoplanets and imaging the black hole at the center of our galaxy.

Separating fact from speculation about Kepler-20's Earth-sized planets

Emily Lakdawalla • December 20, 2011 • 1

A large team of researchers has announced in a Nature article the discovery of not one, but two, Earth-sized planets orbiting a star named Kepler-20. This article separates the observational facts from the quite-likely-to-be-true inferences from the downstream speculations.

Hubble's Millionth Observation

Bill Nye • July 05, 2011

The Hubble Space Telescope has recorded its millionth observation. The planet is designated HAT-P-7b.

Observing at the WIYN

Meg Schwamb • June 08, 2011

On May 5 and 6, I had a run on the WIYN (Wisconsin-Indiana-Yale-NOAO) telescope, a 3.5 m telescope, the second largest telescope on Kitt Peak in Arizona.

Searching for one planet, finding another

Konstantin Batygin • May 23, 2011

Some parallels exist between Odysseus' journey and the discoveries of exoplanets. What initially started out as a well-planned trip from Troy back to Ithaca, turned into a series of rather unfortunate events, with episodes of fighting Cyclops and having your crew turned into swine.

SETI@home Following Up on Kepler Discoveries

Charlene Anderson • May 13, 2011

Remember SETI@home? The ground-breaking computing project is now taking a look at candidate Earth-like planets that have been detected by NASA's Kepler space telescope.

Are there more Titans than Earths in the Milky Way?

Emily Lakdawalla • April 14, 2011

Might there be many Titan-like planets and moons, with atmospheres and liquid methane rain, rivers, and lakes, across the galaxy? It's an important question if you think that liquid methane environments could support alien life, because it turns out that Titan-like planets might be more common than Earth-like planets.

More on Kepler exoplanet discoveries

Emily Lakdawalla • February 04, 2011

Here's some links to some good followup stories on Wednesday's Kepler press briefing.

Kepler announcement today: More than a thousand exoplanets including one 6-planet system

Emily Lakdawalla • February 02, 2011

I wasn't able to watch the Kepler press briefing today so I will give you links to some of my favorite blogs for information on today's announcement, which follows a major data release last night as well as the publication of a paper in Nature.

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