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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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Opposition surge comet

Posted by Emily Lakdawalla on 2016/04/12 10:43 CDT | 1 comment

Today, the Rosetta OSIRIS team's Image of the Day is this highly unusual view of the comet with the Sun very nearly behind the spacecraft.

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Collaboration Between OSIRIS-REx and Hayabusa2

Posted by Dante Lauretta on 2014/10/20 10:35 CDT | 1 comment

The University of Arizona (UA) hosted representatives of the Hayabusa2 asteroid sample return mission to explore opportunities for collaboration with the OSIRIS-REx team.

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Intro Astronomy Class 6: Mars (continued) and Asteroids

Posted by Bruce Betts on 2014/03/14 06:10 CDT

Continue exploring Mars and learn about asteroids in this video of class 6 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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My ever-popular asteroids-and-comets montage, now in color, with bonus Toutatis

Posted by Emily Lakdawalla on 2012/12/18 04:26 CST | 9 comments

My collage of all the asteroids and comets visited by spacecraft is probably the single most popular image I have ever posted on this blog. I've now updated it to be in color and to include Toutatis.

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Reading Itokawa's life history from microscopic samples

Posted by Emily Lakdawalla on 2011/09/20 01:58 CDT

When Hayabusa's sample return capsule was first opened and found to be very clean-looking inside, I doubted that there could be enough material for laboratory analysis. JAXA announced later that they scraped about 1500 dust grains from the inside with a teflon spatula, and these likely came from Itokawa.

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LPSC 2011: Analysis of the grains returned by Hayabusa

Posted by Emily Lakdawalla on 2011/03/16 12:39 CDT

I'd been despairing of finding a good source for a writeup of the presentations in the Hayabusa session at last week's Lunar and Planetary Science Conference, but am happy to report that I've finally found an excellent one.

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Updates on Hayabusa and Akatsuki: second chamber opened, possible engine nozzle breakage

Posted by Emily Lakdawalla on 2010/12/17 10:44 CST

The Hayabusa update is brief: having opened the first Hayabusa sample return chamber (compartment A) last month, JAXA has now opened compartment B, and they found nothing inside.

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A little more information on the Hayabusa samples from Itokawa

Posted by Emily Lakdawalla on 2010/11/17 04:36 CST

Since I posted an update Monday about JAXA confirming extraterrestrial samples in the Hayabusa sample return capsule, JAXA has posted an English-language version of their press release, which contains a bit more information.

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JAXA announcement: Itokawa sample return successful!

Posted by Emily Lakdawalla on 2010/11/15 09:03 CST

It's official: in a press release today, JAXA announced that some 1,500 dust grains scraped from the interior of Hayabusa's clean-looking sample return capsule are not of terrestrial origin so must be from Itokawa.

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Five close-approach images of Hartley 2 by Deep Impact, with commentary

Posted by Emily Lakdawalla on 2010/11/04 10:58 CDT

Here's the five close-approach images of Hartley 2 captured today, November 4, 2010, by the Deep Impact spacecraft, collected into one file. Boy, do these images reward close examination!

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