Blog Archive

Tides of light and ice: Water and rock made from snowmelt on Mars

Posted by Emily Lakdawalla on 2013/04/17 01:29 CDT | 4 comments

A recently published paper proposes that much of the sedimentary rock on Mars formed during rare, brief periods of very slight wetness under melting snow.

Curiosity Mastcam-100 panorama at Point Lake, sol 110

Curiosity update, sol 117: Progress report from AGU

Posted by Emily Lakdawalla on 2012/12/05 07:58 CST | 4 comments

Monday was the big Curiosity day at the fall meeting of the American Geophysical Union. A morning press briefing was followed by an afternoon science session. I traveled to San Francisco briefly just to attend those two events. Here's my notes on the first science reports from the mission.

Nifty animation: Dust in the air for Curiosity

Posted by Emily Lakdawalla on 2012/11/21 11:21 CST

An animation of Curiosity photos shows changes in the weather.

Watching the slow shift of seasons on Titan

Posted by Emily Lakdawalla on 2012/11/06 02:45 CST | 1 comments

A sharp-eyed amateur noticed two images of Titan taken 20 months apart from nearly exactly the same perspective, and they illustrate how the shifting of Saturn's seasons has brought change to Titan's atmosphere.

GOES composite image of Earth's globe with Hurricane Sandy, October 28, 2012

Hurricane Sandy: Thanks for lives saved already

Posted by Emily Lakdawalla on 2012/10/29 11:32 CDT

Today hurricane Sandy is a major threat to life and property across the west coast of the northern Atlantic ocean. I just want to give thanks in advance to all the people who have devoted their careers to making sure that Americans have sufficient warning of devastating, unstoppable weather events like this one.