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Blogs

Meet our bloggers...CEO, Bill Nye, Emily Lakdawalla, Bruce Betts, Mat Kaplan, Casey Dreier, and a host of expert and entertaining voices from throughout our vast space community.

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Eyes and stopwatch are all that are needed to help measure an invisible asteroid

Posted by Ted Blank on 2014/03/03 01:04 CST | 1 comments

Would you like to be part of one of the largest citizen-science efforts in the history of astronomy? The International Occultation Timing Association (IOTA) invites you to join in the campaign to observe and time the best and brightest asteroid occultation ever predicted to occur over a populated area – and no telescope is required!

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Brief Yutu update: Slightly more detail on what's keeping rover from roving

Posted by Emily Lakdawalla on 2014/03/03 12:13 CST | 4 comments

Over the weekend, Chinese state news agency Xinhua reported in both Chinese and English a little bit more information on what has stilled the Yutu rover's motions across the lunar surface: "a control circuit malfunction in its driving unit."

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Dawn Journal: Maneuvering Around Ceres

Posted by Marc Rayman on 2014/03/03 06:00 CST | 2 comments

Continuing its daring mission to explore some of the last uncharted worlds in the inner solar system, Dawn remains on course and on schedule for its rendezvous with dwarf planet Ceres next year.

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Pounding the Pavement in Congress, Together

Posted by Casey Dreier on 2014/03/01 12:38 CST | 1 comments

A coalition of grassroots pro-space advocates descended on Washington, D.C. this week, and held over 100 meetings with representatives and staff throughout Congress to argue for increased investment in NASA.

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Intro Astronomy Class 4: Eclipses, Mercury, Venus-Earth-Mars Atmospheres, Venus

Posted by Bruce Betts on 2014/02/28 01:30 CST

This video of class 4 of Bruce Betts' Introduction to Planetary Science and Astronomy class discusses eclipses, Mercury, Venus, and a comparison of the atmospheres of Venus, Earth, and Mars.

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Comet Siding Spring Mars encounter: Why orienting Mars Express is the heart of the challenge

Posted by ESA Mars Express Team on 2014/02/28 12:25 CST

Today's post continues where we started last week with an update from the Mars Express Flight Control Team at ESOC on their preparations for the 19 October Comet Siding Springs flyby. Today: defining the challenge!

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Reflecting on NASA's Global Precipitation Measurement mission, launching today

Posted by J. Marshall Shepherd on 2014/02/27 11:31 CST | 2 comments

Former deputy project scientist and current science team member J. Marshall Shepherd tells us why missions like NASA's Global Precipitation Measurement (GPM) are vital to our way of life.

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Pretty pictures of terraced craters on Mars

Posted by Emily Lakdawalla on 2014/02/27 10:16 CST | 3 comments

Check out this unusual crater on Mars. It's not a very big one, less than 500 meters in diameter, and yet it has two rings. Most craters on Mars this size are simple bowl shapes. What's going on here?

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Mars Express team readies for Siding Spring

Posted by ESA Mars Express Team on 2014/02/26 01:31 CST | 3 comments

On Sunday, 19 October 2014, at around 18:30 UTC, comet C/2013 A1 – known widely as 'Siding Spring' after the Australian observatory where it was discovered in January 2013 – will make a close fly-by of Mars.

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A little fun with Cassini rings images

Posted by Emily Lakdawalla on 2014/02/25 06:51 CST | 7 comments

It's happened again; I went into the Cassini image archive looking for something specific and wound up spending several hours playing with totally unrelated image data. Here are several beautiful images of the rings from the archives.

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