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Salacia: As big as Ceres, but much farther away
Posted by Emily Lakdawalla on 2012/06/26 12:27 CDT | 10 comments
A newly published paper shows trans-Neptunian object Salacia to be unexpectedly large; it's somewhere around the tenth largest known thing beyond Neptune. It has a companion one-third its size, making it appear similar to Orcus and Vanth.
Posted by Emily Lakdawalla on 2012/06/14 11:00 CDT | 7 comments
A reader comment on Jay Pasachoff's post last week about Venus transits viewed from other planets had me asking whether transits of other planets were also interesting to astronomers. Jay provided some answers!
Posted by Jay Pasachoff on 2012/06/07 04:44 CDT | 3 comments
A transit of Venus as seen from Jupiter may be observed by Hubble on September 20 and a transit of Venus as seen from Saturn will be observed by Cassini on December 21.
Full Free Intro Astronomy Class Now Online
Posted by Bruce Betts on 2012/05/22 02:57 CDT
Bruce Betts' complete CSUDH Intro Astronomy and Planetary Science class is now available online. Find out how to access it, and go behind the scenes.
Checking up on Jupiter and Saturn
Posted by Emily Lakdawalla on 2012/02/10 01:51 CST
It's amateur astronomers, not professionals, who are shouldering the burden of constant monitoring of the weather on Jupiter and Saturn. What's going on these days in the outer solar system?�
Eris and embargoes (or: don't fear Ingelfinger!)
Posted by Emily Lakdawalla on 2011/10/12 04:49 CDT
Eris and embargoes (or: don't fear Ingelfinger!)
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