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Intro Astronomy Class 3: Telescopes, the Moon

Posted by Bruce Betts on 2014/02/21 04:35 CST

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.

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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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NITARP seeks educators for NASA astronomy research

Posted by Luisa Rebull on 2012/08/27 08:00 CDT

NITARP seeks educators interested in teaming up with NASA astronomers to perform genuine astronomical research.

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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.

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Orcus and Vanth

Posted by Emily Lakdawalla on 2011/01/11 01:49 CST | 1 comments

As part of a big, ongoing project to make a comparison chart of the dimensions and physical properties of solar system objects I've spent the morning tackling the difficult problem of summarizing the physical characteristics of the biggest things that are out there beyond Neptune.

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