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Chang'e 3 landing tomorrow 13:40 UT, earlier than previously reported

Posted by Emily Lakdawalla on 2013/12/13 11:20 CST | 1 comment

According to numerous Chinese news reports, Chang'e 3's landing on the Moon is now scheduled to begin at 21:40 Beijing time on December 14, which is 13:40 UT or 05:40 PT. That's about two hours earlier than previously stated.

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Quick Chang'e 3 and Mars Orbiter Mission updates

Posted by Emily Lakdawalla on 2013/12/11 11:01 CST | 6 comments

Yesterday Chang'e 3 lowered its orbit periapsis to a mere 15 kilometers, and Mars Orbiter Mission successfully performed a trajectory correction maneuver.

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Dawn Journal: Equidistant from Vesta and Ceres

Posted by Marc Rayman on 2013/12/06 08:31 CST | 1 comment

Gliding smoothly through the main asteroid belt between Mars and Jupiter, Dawn continues to make good progress on its ambitious mission of exploration. It is patiently but persistently pursuing Ceres, the second destination on its interplanetary itinerary.

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Chang'e 3 has arrived in lunar orbit

Posted by Emily Lakdawalla on 2013/12/06 09:53 CST | 13 comments

Just a quick update: Chang'e 3 successfully entered lunar orbit today at 09:53 UTC, after a 361-second lunar orbit insertion burn.

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Chang'e 3 and LADEE updates -- and Lunar Reconnaissance Orbiter, too, for good measure

Posted by Emily Lakdawalla on 2013/12/05 08:40 CST

Chang'e 3 is just about to land on the Moon, and the LADEE orbiter has begun a new science mission there, while Lunar Reconnaissance Orbiter is still producing amazing images.

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Mars Exploration Rovers Update: Opportunity Ascends Murray Ridge into Clay Mineral Grounds
Sols 3474 - 3502

Posted by A.J.S. Rayl on 2013/12/03 03:13 CST | 1 comment

Although winter took hold at Endeavour Crater in November, Opportunity pressed on, climbing up Murray Ridge and driving into a clay mineral hunting ground as the Mars Exploration Rovers mission cruised another month closer to celebrating its 10th Earth year of surface operations with myriad events throughout January 2014.

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Chang'e 3 departs for the Moon, with amazing images and video

Posted by Emily Lakdawalla on 2013/12/02 12:18 CST | 3 comments

On December 1 at 17:30 UTC, Chang'e 3 launched atop a Long March 3B rocket on a direct lunar transfer trajectory. It is scheduled to enter orbit December 6 and land December 14. The rocket was equipped with cameras that recorded thrilling video of the launch and final departure of the probe.

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Congratulations due to India: Mars Orbiter Mission is on the way to Mars!

Posted by Emily Lakdawalla on 2013/11/30 02:51 CST | 35 comments

Today I am delighted to welcome India into the ranks of interplanetary travelers: Mars Orbiter Mission has successfully propelled itself onto an interplanetary trajectory, departing Earth forever and setting sail for Mars. Congratulations to India, to the Indian Space Research Organisation, to the mission's scientists and engineers, and to the people of India.

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Chang'e 3 ready to launch to the Moon

Posted by Emily Lakdawalla on 2013/11/30 10:05 CST | 5 comments

A brief update on Chang'e 3, which is scheduled for launch December 2 at 01:30 China time, or December 1 at 17:30 UT / 09:30 PT.

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Mars Orbiter Mission ready to fly onward from Earth to Mars

Posted by Emily Lakdawalla on 2013/11/30 09:25 CST | 10 comments

Today is the day when India's Mars Orbiter Mission will fire its rocket to depart Earth and begin its 300-day journey to Mars. The rocket burn begins on December 1 at 00:49 IST (today at 19:19 UT / 11:19 PT).

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Chang'e 3 may launch December 1 with Yutu rover, will not harm LADEE mission

Posted by Emily Lakdawalla on 2013/11/27 12:20 CST | 8 comments

Yesterday the Chinese space agency held a press briefing about the Chang'e 3 lunar lander. They announced that the rover has been named Yutu (or "Jade Rabbit," a legendary companion of the goddess Chang'e). Although it will land during the LADEE mission, it will not harm LADEE's goals -- quite the opposite, in fact.

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Curiosity update, sols 453-464: Electrical problem causes delays; rover back to work

Posted by Ken Herkenhoff on 2013/11/25 02:38 CST | 1 comment

An electrical problem frustrated progress on the Curiosity mission this week, but the problem is now understood and the rover back to work.

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Spaceflight is a Game of Patience

Posted by Dante Lauretta on 2013/11/25 01:33 CST

The Principal Investigator of NASA's OSIRIS-REx asteroid sample return mission -- planned for launch in 2016 -- begins a new blogging adventure.

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Field Report From Mars: Sol 3494 - November 21, 2013

Posted by Larry Crumpler on 2013/11/22 05:39 CST | 4 comments

On sol 3485 Opportunity pulled up next to a large outcrop here on the rim of Endeavour crater. The outcrop appears to be impact breccias like those we saw a few sols ago lower down on the ridge. But the texture of the rocks is somewhat different.

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Why are MAVEN and Mars Orbiter Mission taking such different paths to Mars?

Posted by Emily Lakdawalla on 2013/11/22 12:15 CST | 20 comments

Two spacecraft launched for Mars this month: Mars Orbiter Mission on November 5, and MAVEN on November 18. MAVEN is now on an interplanetary trajectory, while Mars Orbiter Mission is still in Earth orbit and will not depart for Mars until the end of the month. A lot of people are asking me: why the difference? Here's your answer, with input from Dave Doody.

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MAVEN Launches!

Posted by Tanya Harrison on 2013/11/18 04:56 CST | 4 comments

MAVEN launched flawlessly and pretty much exactly on schedule. Congratulations to NASA, the MAVEN team, and United Launch Alliance for a picture perfect launch!

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MAVEN is on the way to Mars

Posted by Emily Lakdawalla on 2013/11/18 04:17 CST | 8 comments

A perfect launch on an Atlas V rocket has sent MAVEN on her way to Mars today at 10:28 PT (18:38 UT). Today's on-time launch puts the mission on course for a September 22, 2014 arrival at Mars.

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Answers to Frequently Asked Questions about MAVEN's launch and mission

Posted by Emily Lakdawalla on 2013/11/15 08:11 CST | 13 comments

MAVEN is just about to launch! The mission has just released their launch press kit. This post summarizes the press kit's high points, and hopefully answers most of your questions about NASA's next Mars orbiter, scheduled for liftoff Monday at 10:28 PT / 13:28 ET / 18:28 UT.

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Curiosity Update: A stop at Cooperstown and a warm reset, sols 433-451

Posted by Ken Herkenhoff on 2013/11/14 01:56 CST

Having racked up several kilometers in the drive to Mount Sharp, Curiosity paused for a second science stop at an outcrop called "Cooperstown." While there, the rover performed a software upgrade and then lost a few days to a software anomaly. The rover has now resumed normal science operations.

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ARTEMIS Mission Update

Posted by Jasper S. Halekas on 2013/11/14 12:27 CST

ARTEMIS is a mission that retasked two probes from the 5-spacecraft Heliophysics constellation THEMIS to study the interaction of the Moon with the space plasma environment.

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