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Opportunity bags a few craters

Emily Lakdawalla • November 10, 2010

In the last few days, Opportunity's passed by several craters, and the rover drivers took advantage of the chance encounters for what they call "drive-by shooting" (a phrase I can't say I'm particularly fond of, but they didn't ask me).

WISE's first brown (green?) dwarf

Emily Lakdawalla • November 09, 2010

Look at the center of this star-studded image and you'll find an emerald green dot.

An awesome animation of Jupiter's clouds

Emily Lakdawalla • November 09, 2010

Ready to see something beautiful? Here's a team effort by Björn Jónsson and Ian Regan to create a really mesmerizing view of the motions of Jupiter's clouds.

In which I finally write up last week's Deep Impact Hartley 2 press briefing

Emily Lakdawalla • November 09, 2010

On Thursday, November 4, at 13:50 UTC, Deep Impact flew within 700 kilometers of comet Hartley 2. Hartley 2 is the smallest and most active of the five comets that have been directly by a spacecraft, and the first to be visited within the lifetime of its discoverer.

Eris might be smaller than Pluto after all (but it's still more massive)

Emily Lakdawalla • November 08, 2010

Several astronomers pointed their telescope at Eris to watch it pass in front of a background star. Occultations permit precise measurement of the diameters of distant, faint objects, and it turned out that Eris was much smaller than previously thought, so much so that its diameter may turn out to be the same as, or even smaller than, Pluto's.

Fly over Mars

Emily Lakdawalla • November 08, 2010

Adrian Lark has posted several new flights over gorgeous Martian landscapes to his Youtube channel. My favorite of his recent ones is this dive into Zumba crater.

Hartley 2 compared to other comets, and in motion 3D

Emily Lakdawalla • November 05, 2010

I had to catch up with tasks left undone at home today and didn't have time to write up my notes from the Hartley 2 press briefing, for which I apologize. I'll leave you for the weekend with three cool Hartley 2 pictures.

Discovery Launch Scrubbed, Again

Mat Kaplan • November 05, 2010

The launch has been scrubbed once again due to a critical hydrogen leak detected once fueling had been underway for a while.

Days of Downs and Ups

Mat Kaplan • November 04, 2010

Discovery has suffered an electrical problem related to one of the main engines. Thanks to delays related to that, and to weather concerns, the launch was scrubbed until Friday at 3:04pm.

Hartley 2's jets

Emily Lakdawalla • November 04, 2010

It was a very happy set of scientists, engineers, managers, and administrators who filled the Jet Propulsion Laboratory's Von Karman auditorium this afternoon to do the postgame show on Deep Impact's flyby of Hartley 2.

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