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Blogs

Blog Archive

 

Phobos-Grunt: all but over, a letter from IKI

Posted by Emily Lakdawalla on 2011/12/09 07:14 CST

A letter sent by Lev Zelenyi, director of the Russian Space Research Institute (IKI) to participants in the Phobos-Soil project about the mission's failure.

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Mariner 9 approaching Mars: a movie!

Posted by Emily Lakdawalla on 2011/12/09 01:32 CST

In celebration of the 40th anniversary of Mariner 9's November 13, 1971 arrival at Mars, Daniel Macháček has produced a morphed animation of the images that Mars' first orbiter took while approaching the planet.

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Notes on Dawn at Vesta from the 2011 American Geophysical Union meeting

Posted by Emily Lakdawalla on 2011/12/08 03:19 CST

A report on the press briefing and talks from the Fall 2011 American Geophyisical Union meeting about the data on Vesta collected so far by Dawn.

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Mars Exploration Rovers Special Update: Opportunity Finds Best Evidence Yet for Liquid Water in Gypsum at Homestake

Posted by A.J.S. Rayl on 2011/12/07 10:24 CST

Mars Exploration Rover Opportunity has discovered gypsum and its "single most powerful piece of evidence for liquid water on Mars."

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Good news, everyone: We're getting as good at space weather forecasts as we are at Earth weather forecasts

Posted by Emily Lakdawalla on 2011/12/06 02:39 CST

Emily reports from the Fall 2011 American Geophyisical Union meeting about advancements in space weather prediction.

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Sungrazing with Lovejoy's Comet

Posted by Jason Davis on 2011/12/06 10:42 CST

Observations of the newly sighted Kreutz sungrazer comet C/2011 W3 (Lovejoy) from the ground and from SOHO (a joint NASA/ESA satellite) and STEREO (NASA's Solar Terrestrial Relations Observatory).

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From the 2011 Fall Meeting of the American Geophysical Union (AGU): Voyager 1 at the edge of the solar system

Posted by Emily Lakdawalla on 2011/12/05 04:13 CST

A report on a press briefing about Voyager 1 at the Fall 2011 American Geophyisical Union meeting. The spacecraft has entered a new region between our solar system and interstellar space, which scientists are calling the stagnation region.

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Curiosity, from a 1935 perspective

Posted by Jason Davis on 2011/12/03 01:49 CST

With a new rover, Curiosity, on its way to Mars, Jason Davis takes a look at what we knew - or thought we knew - about the planet back in 1935.

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Reviews of space-themed books for kids ages 7 and up

Posted by Emily Lakdawalla on 2011/12/02 01:06 CST

Reviews of books about space for children ages 7 to 11 and 12 and up.

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ESA is ending ground station support for Phobos-Grunt

Posted by Emily Lakdawalla on 2011/12/02 12:04 CST

After modifying two antennas and attempting to send commands to Phobos-Grunt for weeks without success, ESA has made the decision to stop tracking support.

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First-ever high-resolution Synthetic Aperture Radar image of Enceladus

Posted by Emily Lakdawalla on 2011/12/01 07:22 CST

On the November 6, 2011 flyby of Enceladus -- the third such flyby in just a few weeks -- the Cassini mission elected to take a SAR swath instead of using the optical instruments for once. So here it is: the first-ever SAR swath on Enceladus. In fact, the only other places we've ever done SAR imaging are Earth, the Moon, Venus, Iapetus, and Titan.

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One-astronaut game of baseball in the International Space Station

Posted by Emily Lakdawalla on 2011/12/01 07:18 CST

A fun video of Japanese astronaut Satoshi Furukawa playing baseball aboard the ISS.

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Dawn Journal: Riding gravitational currents to LAMO

Posted by Marc Rayman on 2011/12/01 04:05 CST

In this update on the Dawn mission, project system engineer Marc Rayman reports that the probe is headed for its low altitude mapping orbit (LAMO), where it will focus on making a census of the atomic constituents and on mapping the gravity field in order to determine Vesta's interior structure.

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At last, I've finished my scale solar system presentation slide/poster

Posted by Emily Lakdawalla on 2011/12/01 01:22 CST

A presentation providing a correctly scaled, reasonably correctly colored view of the largest bodies in the solar system is made available for use by teachers, professors, and informal educators.

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