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The Disturbance is Starting

Emily Lakdawalla • November 11, 2010

Jupiter's faded belt may be coming back.

DPS 2010: Pluto and Charon opposition surges, Nix and Hydra masses, Pluto and Eris compositions

Emily Lakdawalla • October 25, 2010

An awful lot of the talks in the Pluto session on Tuesday morning, October 5, at the Division of Planetary Sciences meeting spent more time focusing on how bad weather conditions were during the astronomers' attempts to view Pluto as it occulted background stars than they did on any measurements or science that came out from the data.

Early warning for close approaches of two house-sized asteroids

Emily Lakdawalla • September 08, 2010

Most of you have probably heard by now of two small asteroids, both in the neighborhood of 10 meters in diameter, recently discovered on trajectories that pass unusually close to Earth.

From the Ground and from Space, New Planetary Systems Unveiled

Amir Alexander • August 27, 2010

Two nearly simultaneous announcements by scientists that they have detected entire planetary system deep in space have set the astronomical community abuzz.

The August 20, 2010 Jupiter fireball -- and the March 5, 1979 one

Emily Lakdawalla • August 24, 2010

Following up on the story I first posted on August 22, the Jupiter impact fireball first noticed by Japanese amateur astronomer Masayuki Tachikawa has been independently confirmed by two other Japanese astronomers.

Yet another Jupiter impact!? August 20, seen from Japan

Emily Lakdawalla • August 22, 2010

This may be a very common event after all: another optical flash has been observed on Jupiter, again from an observer far east of the Greenwich meridian, though it was not Anthony Wesley (for once).

2008 LC15, the first Trojan asteroid discovered in Neptune's L5 point

Emily Lakdawalla • August 13, 2010

Congratulations to Scott Sheppard and Chad Trujillo for identifying the first known L5 Trojan asteroid of Neptune!

Volcanism across the solar system: Io

Emily Lakdawalla • July 20, 2010

Three months ago, grandiosely, I announced that I was going to survey volcanism across the solar system, and I began the journey on Earth. Then I failed to follow up.

Is this SMART-1's impact site?

Emily Lakdawalla • June 15, 2010

Speaking of spacecraft crashing...

Pretty picture: Messier 83

Emily Lakdawalla • May 19, 2010

What does a barred spiral galaxy look like? THIS is what a barred spiral galaxy looks like.

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