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The Giant Spider of Mercury

Posted by Bill Dunford on 2014/01/27 01:23 CST | 3 comments

Striking terrain discovered by the MESSENGER probe.

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Curiosity images "Dingo Gap," sols 519-521

Posted by Emily Lakdawalla on 2014/01/24 05:45 CST | 1 comment

Over the last few days, Curiosity made steady driving progress to the southwest. For several of those days, an intriguing feature has appeared on the horizon in her images. UPDATE: The Curiosity team has now decided to drive the rover toward the feature, which is now named "Dingo Gap."

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Curiosity update, sols 488-520: Steady driving while watching the wheels

Posted by Ken Herkenhoff on 2014/01/22 03:38 CST | 1 comment

In the last month, Curiosity put 222 meters on the odometer in 12 short drives, while regularly assessing the wheels for damage. The rover performed touch-and-go analyses of rocks including Oneida and Kodak, and also took some ChemCam RMI mosaics of rocks near the base of Mount Sharp.

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Super-close supernova in M82

Posted by Emily Lakdawalla on 2014/01/22 11:31 CST | 8 comments

The astronomy world is all a-twitter this morning over the discovery of a new supernova in M82, a galaxy that's in our astronomical backyard, "only" 12 million light-years away. And early word is that it appears to be a Type Ia supernova, the kind that's used as a standard candle to measure the expansion of the universe.

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New Views of Martian Weather

Posted by Bill Dunford on 2014/01/20 12:03 CST | 3 comments

The latest postcards from Mars Express feature cloudy skies.

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Blast from the past: Spirit sunrise panorama at Troy

Posted by Emily Lakdawalla on 2014/01/14 11:53 CST

In honor of the 10th anniversary of Spirit's landing on Mars, here is a new view from near the end of that mission.

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Finally, some high-quality photos from Chang'e 3!

Posted by Emily Lakdawalla on 2014/01/10 11:37 CST | 7 comments

A pile of Chang'e 3 photos has been released to the Web, and they are much, much better than what I've seen before. They include, for the first time, photos of Earth from the lander.

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Polar vortices across the solar system

Posted by Emily Lakdawalla on 2014/01/09 11:49 CST | 2 comments

Earth's polar vortex has been in the American news all week. But we're not the only planet that has one; basically every world that has an atmosphere has a polar vortex. Here are lots of pretty pictures and animations of polar vortices.

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2013: The Year in Pictures, an addendum

Posted by Emily Lakdawalla on 2014/01/07 03:22 CST | 1 comment

Every year, I write a feature article for the year's final issue of The Planetary Report titled "The Year in Pictures." Because The Planetary Report is a printed product, I have to compose the article before the year has ended. So here is an addendum to the printed article, a few images that came in November and December that mark significant events of 2013.

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Looking back at 10 years of imaging by the Mars Exploration Rovers (Video)

Posted by Emily Lakdawalla on 2014/01/03 01:43 CST | 5 comments

As part of the Planetary Society's celebration of the Mars Exploration Rovers' ten years on Mars, Jim Bell and I got together to look back at and tell stories about some of the great images they took.

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Pretty picture: Two crescents: New moon, old Venus

Posted by Emily Lakdawalla on 2014/01/02 03:21 CST | 6 comments

A baby Moon and aging Venus crescents are positioned close in the sky today, and lots of people are taking beautiful photos.

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Lunar Reconnaissance Orbiter spies Chang'e 3 and Yutu

Posted by Emily Lakdawalla on 2013/12/30 04:36 CST | 4 comments

As promised, Lunar Reconnaissance Orbiter's sharp eyes spotted the Chang'e 3 lander and Yutu rover on the lunar surface on December 25. The hardware shows up as a few bright pixels throwing long, dark shadows, clearly visible in a before-and-after comparison.

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The Mercury Transit You Probably Missed

Posted by Karl Battams on 2013/12/30 10:29 CST | 2 comments

Planetary transits of the Sun by Mercury and Venus don't come along very often, and when they do we make a big deal of it because, well, it's really cool!

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Chang'e 3 update with lots of pictures: Yutu begins lunar journey

Posted by Emily Lakdawalla on 2013/12/23 02:54 CST | 9 comments

There was a lot of action on Chang'e 3 over the weekend! I have lots of pictures to share, including the highest-quality one I've seen of the rover on the surface, plus video of the rover making tracks on the Moon and a 3D view of the lander.

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NASA re-creates the Apollo 8 Earthrise using Lunar Reconnaissance Orbiter data

Posted by Andrew Chaikin on 2013/12/20 02:20 CST | 1 comment

If there's one thing I've learned after decades of studying the first human voyages to another world, it's that there is always more to discover about Apollo. Case in point: The Apollo 8 Earthrise photo that became one of the iconic images of the 20th century.

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Curiosity update, sols 465-487: Wheel inspection, software upgrade, Cumberland dump

Posted by Ken Herkenhoff on 2013/12/19 01:39 CST

Curiosity activities over sols 465 to 487 included monitoring the condition of the wheels; a flight software upgrade; and dumping the Cumberland drill sample. Curiosity put approximately 200 meters on the odometer during this period.

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Amazing Chang'e 3 descent video

Posted by Emily Lakdawalla on 2013/12/15 12:57 CST | 8 comments

Watch and enjoy this full video of Chang'e 3's descent onto the lunar surface.

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Color photo of Yutu rover and Chang'e lander, and more on the Chang'e 3 landing site

Posted by Emily Lakdawalla on 2013/12/15 09:59 CST | 9 comments

Fresh off of Chinese state television are lovely pictures taken by Chang'e 3 lander and rover of each other!

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Six wheels on soil for Yutu!

Posted by Emily Lakdawalla on 2013/12/14 03:28 CST | 9 comments

Here it is! Animated gifs, composed of screen grabs from Chinese state television, of the Yutu rover rolling on to the lunar surface. This was a replay, but it was no less thrilling for that; the actual rollout happened at 20:40 UT (12:40 PT). Six wheels on soil! Woohoo!

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Enceladus huffs and puffs: plumes vary with orbital longitude

Posted by Emily Lakdawalla on 2013/12/11 07:22 CST | 2 comments

In which I finally get around to writing about a paper published last August: Enceladus' plumes sometimes spout more and sometimes spout less, depending on where Enceladus is in its orbit. This discovery was enabled by Cassini's longevity at Saturn, and we'll be able to follow up on it, as long as Cassini is allowed to complete its mission.

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