Blog Archive
Artist's views of a night sky transformed by a galaxy merger
Posted by Emily Lakdawalla on 2012/06/04 12:25 CDT | 2 comments
A measurement of the Andromeda galaxy's proper motion shows it's coming directly at us, and will collide with the Milky Way in 4 billion years. The event will transform the appearance of our night sky.
Posted by Emily Lakdawalla on 2012/04/06 04:06 CDT | 1 comments
Someone on Twitter pointed me to a paper recently posted to ArXiv titled "Evidence for 9 planets in the HD 10180 system." If the (tentative) conclusion holds up, HD 10180 will be the first exoplanetary system known to have more planets than our own.
Posted by Emily Lakdawalla on 2011/08/12 12:52 CDT
Amateur astronomer Patrick Wiggins sent me this neat little animation of comet Garradd moving against background stars through an hour's worth of observing. I'm not any kind of astronomer but if I were I think I would get a kick out of looking at things that appear to move within one night of watching -- asteroids, comets, Jupiter's spots. I'm impatient that way.
Posted by Meg Schwamb on 2011/06/08 02:43 CDT
On May 5 and 6, I had a run on the WIYN (Wisconsin-Indiana-Yale-NOAO) telescope, a 3.5 m telescope, the second largest telescope on Kitt Peak in Arizona.
Posted by Meg Schwamb on 2011/05/25 08:30 CDT
The last decade has seen an explosion in our understanding of the solar system with the discovery of the largest Kuiper belt objects (KBOs) of comparable size to Pluto.
Checking in on Jupiter: the belt is coming back
Posted by Emily Lakdawalla on 2011/03/25 03:46 CDT
Since it's been several months since I last took a look at Jupiter, I thought it was time to see what's up with the South Equatorial Belt.











