Blog Archive

Sturzstroms on Saturn’s Moon Iapetus

Posted by Kelsi Singer on 2012/10/01 04:31 CDT

Long-runout landslides (sturzstroms) are found across the Solar System. They have been observed primarily on Earth and Mars, but also on Venus, and Jupiter’s moons Io and Callisto. I have just published a paper about sturzstroms on Iapetus.

Cosmoquest Science Hour, Wednesday: A virtual field trip to the hills on Curiosity's horizon

Posted by Emily Lakdawalla on 2012/09/25 04:50 CDT | 2 comments

I'm hosting this week's Cosmoquest Science Hour, and plan to take viewers on a virtual tour of those mountains on Curiosity's horizon, and show you where Curiosity is likely to go. Join me and Fraser Cain here at 1600 PDT / 2300 UTC Wednesday.

Fun for all ages: creating and mapping a volcano

Posted by Mike Malaska on 2012/08/18 11:26 CDT

Here’s a fun, cheap, and only slightly messy demonstration activity for kids of all ages, even 46-year-old kids: creating and mapping an ancient volcano.

A mosaic of 20 full-resolution images taken from Curiosity's left Navcam on the second day after landing shows the rover, with a dirty deck, sitting on a gravelly plain, surrounded by mountains.

Curiosity sol 11 update: Decision to drive to "the high thermal inertia unit" and what that means

Posted by Emily Lakdawalla on 2012/08/17 06:06 CDT | 8 comments

Some notes from this morning's Curiosity press briefing: the rover will be driving to "Glenelg" to investigate the "high thermal inertia unit." I explain what that means, with psychedelic Odyssey THEMIS images of the landing site.

A geochemist's Periodic Table of Elements

Posted by Emily Lakdawalla on 2012/06/25 07:39 CDT | 3 comments

The Periodic Table of Elements that hangs in chemistry classrooms doesn't include a lot of the information about elements that's most important to geologists. Here's one that does.