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An official pronouncement may be coming about the "what is a planet?" debate

Emily Lakdawalla • September 21, 2005

Since the discovery of 2003 UB313, larger than Pluto, there's been a lively debate going on in many places about what makes a planet. There's now an article in Nature talking about a proposal that would address the controversy

A debate about time

Emily Lakdawalla • September 21, 2005

I received a press release in my inbox this morning that made me think. It came from the Royal Astronomical Society, and was titled "RAS Statement on Proposed Abolition of Leap Seconds."

DPS: Updates on 2003 EL61 and 2005 FY9

Emily Lakdawalla • September 13, 2005

At a press briefing, the co-discoverers of the so-called "10th planet" 2003 UB313 gave an update on what is known about this and the other two scattered Kuiper Belt bodies that were announced at the time: 2003 EL61 and 2005 FY9.

DPS: Central transit of Earth as seen from Saturn

Emily Lakdawalla • September 13, 2005

There were a few talks at the Division of Planetary Sciences meeting dealing with a rare and fortuitous event that happened on January 13, 2005.

Some bad news for fans of Titan RADAR

Emily Lakdawalla • September 10, 2005

According to Jason Perry, the much-anticipated Titan-7 RADAR imagery across Titan's southern hemisphere may have been lost due to an error on Cassini's solid state recorder. That will be very sad if it turns out to be true.

DPS: Back to Day 3 again: finishing up asteroids & Iapetus

Emily Lakdawalla • September 09, 2005

Today is the last day of DPS, and the first that has not had a press conference session at lunchtime, so I have a few moments here to do some catching up.

An animation of Itokawa from Hayabusa

Emily Lakdawalla • September 07, 2005

This lovely animation of Itokawa represents 20 individual images taken between 18:10 on September 5 and 00:30 on September 6, from a distance of less than 700 kilometers away.

Mars Exploration Rovers Update: Spirit Returns (Most of) Panorama from Summit of Husband Hill

A.J.S. Rayl • September 01, 2005

Spirit has returned enough pictures from the summit [summit #1] of Husband Hill for the Mars Exploration Team to have put together a 240-degree color panorama of her view, which they released at a news conference today, held at NASA headquarters in Washington D.C. In coming days, the rover will return the rest of the images to complete the full, 360-degree, color panorama.

Catching up with Hayabusa

Emily Lakdawalla • August 26, 2005

Hayabusa (formerly known as MUSES-C) is getting very, very close to its target asteroid Itokawa, and should be arriving soon!

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