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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

Kuiper Belt Objects Submitted to Minor Planet Center

Alex Parker • January 25, 2013 • 2

Recently, several of the Kuiper Belt Objects our team has discovered while searching for New Horizons post-Pluto flyby candidates have been submitted to the Minor Planet Center and their orbital information is now in the public domain.

Alan Stern Returns to Planetary Radio

Mat Kaplan • November 27, 2012

The New Horizons Pluto mission PI provides an update, and introduces his new public project called Uwingu.

DPS 2012: Double occultation by Pluto and Charon

Emily Lakdawalla • October 26, 2012 • 5

A few talks at last week's Division for Planetary Sciences meeting discussed observations of a double occultation -- both Pluto and Charon passing in front of the same star.

A fifth moon for Pluto, and a possible hazard for New Horizons

Emily Lakdawalla • July 16, 2012 • 9

Pluto is now known to have at least five moons (Charon, Nix, Hydra, P4, and the newly discovered P5), and its burgeoning population might pose a risk to New Horizons during its flyby, three years from now.

Salacia: As big as Ceres, but much farther away

Emily Lakdawalla • June 26, 2012 • 10

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.

Where are the big Kuiper belt objects?

Emily Lakdawalla • February 16, 2012 • 8

Earlier today I wrote a post about how to calculate the position of a body in space from its orbital elements. I'm trying to get a big-picture view of what's going on in trans-Neptunian space.

Visiting the San Diego SpaceUp Unconference

Mat Kaplan • February 14, 2012

Emily Lakdawalla and I drove down to the 3rd annual San Diego SpaceUp Unconference on February 4. We had great fun hanging out with the other space geeks.

Eris and embargoes (or: don't fear Ingelfinger!)

Emily Lakdawalla • October 12, 2011 • 3

Last Tuesday at the Division of Planetary Sciences meeting Bruno Sicardy presented the results of his research group's observations of a stellar occultation by Eris.

Brief notes from Day 2 of the DPS-EPSC meeting

Emily Lakdawalla • October 04, 2011

It's been a very full day at the DPS-EPSC 2011 joint meeting. My day was less full than it might have been, because I overslept and missed most of the morning's session. I really needed the rest though so I think it was probably for the best!

New Horizons workshop, day 1: Chemistry & climate on Pluto & other cold places

Emily Lakdawalla • August 30, 2011

Today and tomorrow I'm attending the New Horizons Workshop on Icy Surface Processes. The first day was all about the composition of the surface and atmosphere of Pluto, Charon, Triton, and other distant places.

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