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Mars Exploration Rovers Update: Opportunity Roves from Wdowiak Ridge into Network of Fractures
Sols 3829 - 3858

Posted by A.J.S. Rayl on 2014/12/03 12:13 CST | 1 comments

Last month, the Earth's longest-lived and most traveled robot on another planet drove into a network of fractures the likes of which the scientists had never seen before on Mars and wound up working there through the end of the month – and then something not completely unexpected happened.

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Orion L-2 Report: The Old Gives Way to the New

Posted by Jason Davis on 2014/12/02 04:06 CST

With less than two days before Orion's maiden voyage, NASA and United Launch Alliance are cautiously optimistic the flight will launch Thursday as scheduled.

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Hayabusa 2 is about to launch! [UPDATED]

Posted by Emily Lakdawalla on 2014/12/02 10:54 CST

Hayabusa 2's H-IIA rocket has just reached its launchpad! Japan's next asteroid sample return mission was supposed to launch this weekend, but weather has not been good at the Tanegashima launch site and it has been delayed four days already. If the weather holds, it will launch December 3 at 04:22 UT (13:22 JST, or December 2 at 20:22, PT). UPDATED to add links to live webcasts.

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Dawn Journal: Looking Ahead at Ceres

Posted by Marc Rayman on 2014/12/01 02:51 CST | 1 comments

This month, Marc Rayman looks ahead to some upcoming activities for Dawn as it approaches the dwarf planet Ceres.

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Field Report from Mars: Sol 3848 — November 20, 2014

Posted by Larry Crumpler on 2014/11/25 11:01 CST

Larry Crumpler returns with an update on Opportunity's recent activities, and its road ahead.

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Close to the end for Venus Express

Posted by Emily Lakdawalla on 2014/11/24 02:42 CST

Venus Express is nearly out of fuel. Any day could be the last of its long mission to Venus.

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Curiosity update, sols 782-813: Walking the outcrop at Pahrump Hills

Posted by Emily Lakdawalla on 2014/11/19 07:50 CST

At Pahrump Hills, Curiosity is becoming the field geologist she was intended to be.

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Rosetta imaged Philae during its descent -- and after its bounce

Posted by Emily Lakdawalla on 2014/11/17 05:10 CST | 18 comments

This morning ESA released a set of images of the Philae lander taken by the Rosetta orbiter during -- and after -- the lander's first touchdown. The images contain evidence for the spot Philae first touched the comet, and a crucial photo of Philae's position several minutes into its first long bounce.

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Now Philae down to sleep

Posted by Emily Lakdawalla on 2014/11/15 05:13 CST | 12 comments

My last post on the drama in Darmstadt, where ground controllers believe Philae may have fell asleep for good.

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With New Horizons Ready to Wake Up, Scientists Prepare for Pluto Encounter

Posted by Jason Davis on 2014/11/14 03:08 CST | 2 comments

When New Horizons wakes up for the final time on Dec. 6, scientists will spend six weeks preparing for the start of the spacecraft's Pluto encounter.

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Philae update: My last day in Darmstadt, possibly Philae's last day of operations

Posted by Emily Lakdawalla on 2014/11/14 12:33 CST | 18 comments

Emily Lakdawalla gives a status report on Philae from the European Space Operations Centre (ESOC) in Darmstadt.

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Philae status, a day later

Posted by Emily Lakdawalla on 2014/11/13 01:26 CST | 9 comments

The Philae team scrambled all morning to comprehend the initially confusing status of the lander, and the picture is much clearer today. Speaking of which, there are lots more pictures!

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Brief Philae "Morning After" update: First ÇIVA panorama from the surface

Posted by Emily Lakdawalla on 2014/11/13 04:53 CST | 1 comments

I'm just getting up to speed on the news from overnight, which is mostly good: Philae remained in contact with the orbiter (which means the CONSERT radar sounding experiment was working), and it's sitting stably on the surface, although it's not anchored in any way. And they released the first ÇIVA image from the ground!

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PHILAE HAS LANDED! [UPDATED]

Posted by Emily Lakdawalla on 2014/11/12 10:21 CST | 16 comments

The landing happened on time just after 16:02 UT today! Philae mission manager Stephan Ulamec said: "Philae is talking to us! The first thing he told us was the harpoons have been fired and rewound. We are sitting on the surface." Those words later turned out not to be true; but we do know at least that Philae survived the landing and is returning good data.

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Philae update: Photo documentation of Philae's separation!

Posted by Emily Lakdawalla on 2014/11/12 08:22 CST | 4 comments

Here it is. We knew hours ago that Philae separation happened, but there's nothing like seeing a photo, seeing Philae's mothership receding into the distance.

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Philae update: "Go" for landing, despite apparent failure of cold-gas jet system [UPDATED]

Posted by Emily Lakdawalla on 2014/11/12 01:26 CST | 4 comments

Philae is "go" for landing. But there has been drama overnight. One of the steps to prepare for landing did not proceed as planned. UPDATE: At 09:03 UTC, the lander separated from the orbiter, beginning a 7-hour descent to the surface of the comet.

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Philae update: First of four "go-no-go" decisions is a GO!

Posted by Emily Lakdawalla on 2014/11/11 01:21 CST | 3 comments

It's been a day of calm before the storm here at the European Space Operations Centre in Darmstadt, as we get ready for the big event tomorrow: Philae's hoped-for landing on a comet. The first of four "go-no-go" decisions has been made, and it's a "go." Mission navigators have gotten data back from Rosetta that indicates that the spacecraft is on the correct trajectory to deliver Philae to the comet.

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Report from Darmstadt: Philae status and early Rosetta results from DPS

Posted by Emily Lakdawalla on 2014/11/11 03:04 CST | 3 comments

I'm reporting live from the press room at the European Space Operations Centre in Darmstadt, Germany. There's little news on Philae yet except that its status is good. Meanwhile, Rosetta scientists presented their first early comet results at the Division for Planetary Sciences meeting in Tucson, Arizona, which I watched from afar using Twitter.

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Philae landing preview: What to expect on landing day

Posted by Emily Lakdawalla on 2014/11/05 04:15 CST | 8 comments

Earth's first-ever landing on a comet is a week away. On November 12 at 8:35 UT, Philae will separate from Rosetta. Seven hours later, it will arrive at the surface of the comet. Hopefully, Philae will survive the landing, and begin to return data.

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Mars Exploration Rovers Update: Opportunity Images Comet, Ducks Storm, Departs Ulysses
Sols 3800 - 3829

Posted by A.J.S. Rayl on 2014/11/04 10:02 CST

As winds whirled and converged to the west of Endeavour Crater, Opportunity's power dropped dramatically in October, but the Mars Exploration Rover (MER) pressed on. By month's end, the robot field geologist had completed her assignments – including capturing the first close-in shot of a comet from the surface of the Red Planet – and was roving onward through the darkness, driving the mission into the 130th month of what started out more than 10-and-a-half years ago to be a 3-month tour.

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