Blog Archive

Crowdsourcing the Andromeda Galaxy

Posted by Jason Davis on 2012/12/11 06:29 CST | 1 comments

Scientists would like your help starting at high-resolution images of the Andromeda Galaxy captured by the Hubble Space Telescope.

Posted by Emily Lakdawalla on 2012/12/11 04:59 CST | 2 comments

My final set of reviews of children's books for 2012: five recommended nonfiction books for a range of ages.

GRAIL's map of the lunar Bouguer gravity anomaly

Isostasy, gravity, and the Moon: an explainer of the first results of the GRAIL mission

Posted by Emily Lakdawalla on 2012/12/11 01:04 CST | 15 comments

Last week the GRAIL mission published their first scientific results, and what they have found will send many geophysicists back to the drawing board to explain how the Moon formed and why it looks the way it does now. To explain how, I'm going to have to back way up, and explain the basic science behind gravity data.

Reviews of nonfiction book series for children

Posted by Emily Lakdawalla on 2012/12/10 05:49 CST

Here are four recommended space nonfiction book series that would make excellent additions to any children's library.

Location map for the Mariner 4 Mars images

Blast from the past: Mariner 4's images of Mars

Posted by Emily Lakdawalla on 2012/12/10 09:15 CST | 5 comments

While hunting for photos to use in a presentation, I came across a couple of different amateur takes on the Mariner 4 photo catalog.

Asteroid 4179 Toutatis' upcoming encounters with Earth and Chang'E 2

Posted by Emily Lakdawalla on 2012/12/06 12:19 CST | 6 comments

Near-Earth asteroid 4179 Toutatis will be passing within 7 million kilometers of Earth on December 12. Both radio telescopes and the Chang'E 2 spacecraft will be acquiring images.