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Weekend treats from Cassini: Enceladus plumes plus bonus Tethys and Dione

Emily Lakdawalla • August 14, 2010

Over the last couple of days Cassini flew past Enceladus, Tethys and Dione, so there are lots of treats to see on the raw images website! You should go check it out for yourself, but here are a couple of real favorites.

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!

New Pulsar Discovery Shows Power of Citizen Scientists and Planetary Society Members

Charlene Anderson • August 12, 2010

Planetary Society members have reason to celebrate today, with the on-line publication in Science of the discovery of a new pulsar by three citizen-scientists working with Einstein@home, a descendant of the SETI@home project.

Molar Tooth Texture

Ryan Anderson • August 12, 2010

Ok, so remember the weird rock I showed in my Galcier Park geology post?

Special note to scientists: Reach out through the DPS

Emily Lakdawalla • August 12, 2010

This note was included in yesterday's newsletter to members of the American Astronomical Society's Division of Planetary Sciences, and I wanted to make sure that you scientists reading this blog didn't miss it.

The Stardust Sample Catalog

Emily Lakdawalla • August 12, 2010

It never ceases to amaze me how much science is being wrung out of the few grams of material that were returned to Earth by the Stardust mission.

Report from the Exploration of Near-Earth Objects Objectives Workshop - Day 2

Bruce Betts • August 11, 2010

It's day 2 at NASA's Exploration of Near Earth Objects (NEO) Objectives workshop (ExploreNOW).

Animation: Mars Express rising above the north pole

Emily Lakdawalla • August 11, 2010

The "Mars Webcam" on Mars Express (otherwise known as the Visual Monitoring Camera or VMC) has just restarted sending images to Earth after a bit of a hiatus.

Report from the Exploration of Near-Earth Objects Objectives Workshop

Bruce Betts • August 10, 2010

This week, Jennifer Vaughn and I are representing the Planetary Society at NASA's Exploration of Near-Earth Objects (NEO) Objectives Workshop, or ExploreNOW.

How to Recognize Titan from Quite a Long Way Away

Emily Lakdawalla • August 09, 2010

You know, I could fill this blog almost entirely with the amazing images that Gordan Ugarkovic locates, processes into prettiness, and uploads to his Flickr account.

Last chance to sign Ray Bradbury's birthday card, and other business

Emily Lakdawalla • August 09, 2010

Today is the very last day to add your name to the great big birthday card that The Planetary Society is sending to Ray Bradbury on the occasion of his 90th birthday (which will be on August 22)!

The Geology of Glacier National Park: Part 1

Ryan Anderson • August 08, 2010

Well, the field trip is over and I am happy to say that I was not eaten by any bears. They seemed much more interested in the huckleberries.

Bill Nye Cuts the Ribbon at New Headquarters

Emily Lakdawalla • August 06, 2010

We brought in the big scissors to inaugurate our new Planetary Society headquarters. Incoming Executive Director, Bill Nye, cut the red ribbon at the Open House held August 5, 2010.

Cassini catches four little moons in motion

Emily Lakdawalla • August 05, 2010

I've posted animations from Cassini before in which there are multiple moons moving around, but this is one of the coolest such sequences I've seen yet.

The enigmatic mounds of Acidalia Planitia

Emily Lakdawalla • August 04, 2010

Acidalia Planitia is a large basin in Mars' northern lowlands, a dark splotch visible even from Earth telescopes.

Open House at our new headquarters with the rising Executive Director, Bill Nye

Emily Lakdawalla • August 04, 2010

Tomorrow the Planetary Society is hosting an open house at our new headquarters, and that fact was front page news at our local newspaper, the Pasadena Star-News, this morning!

Is Eberswalde Really a Smoking Gun?

Ryan Anderson • August 03, 2010

The other day in Mars journal club, we took a look at a paper about the "fan" in Eberswalde crater. You may recognize this name: It is one of the four finalist landing sites for MSL.

Some profiles of women in planetary science

Emily Lakdawalla • August 03, 2010

It seems like a good time to feature the profiles of women space scientists that have been gracing the pages of Susan Niebur's Women in Planetary Science Blog.

Goodies from the latest Cassini data release

Emily Lakdawalla • August 02, 2010

I've spent a pleasurable hour or so browsing over the latest release of images from Cassini to the Planetary Data System.

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