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Stories, updates, insights, and original analysis from The Planetary Society.

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

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....

NITARP seeks educators for NASA astronomy research

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

Salacia: As big as Ceres, but much farther away

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.

Orcus and Vanth

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.

Space is vast. There's a lot of exploring to do.

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