Blog Archive

From Glacier Point at the right, across Half Dome at center and ending at Royal Arches at the left, the path of the Milky Way over Yosemite Valley is stunning even under lighting conditions that illuminate the valley walls.

Night Sky Guide for Summer 2012

Posted by Ray Sanders on 2012/05/11 11:14 CDT

This summer should provide great opportunities for stargazers to view planets, meteor showers, the transit of Venus, and for some, the annular solar eclipse. Check out these highlights of what you can look forward to this summer.

A view of the suburban sky with, and without, power to outdoor lights, from the International Dark-Sky Association.

Planetary Radio: Taking Back the Night

Posted by Mat Kaplan on 2012/04/17 03:39 CDT

Planetary Radio for April 16, 2012 features an interview with Scott Kardel of the International Dark Sky Association.

Infographic: Viewing our universe's colors

Posted by Emily Lakdawalla on 2012/02/14 03:08 CST

An infographic explains in what "colors" of electromagnetic radiation we been able to observe our universe, over the length of the space age.

Checking up on Jupiter and Saturn

Posted by Emily Lakdawalla on 2012/02/10 01:51 CST

It's amateur astronomers, not professionals, who are shouldering the burden of constant monitoring of the weather on Jupiter and Saturn. What's going on these days in the outer solar system?�

Bruce Betts' Free Online Intro To Astronomy Course

Posted by Mat Kaplan on 2012/01/31 08:35 CST

Bruce Betts will be returning to the virtual classroom at California State University, Dominguez Hills for an Intro To Astronomy course. The first lecture will be Wednesday, February 8, from 3:00 to 4:30pm Pacific Time.

Today's 365 Days of Astronomy Podcast Offers a Free, Online Astronomy Class!

Posted by Mat Kaplan on 2012/01/26 09:06 CST

The 365 Days of Astronomy Podcast begins this year's effort with an interview with Bruce Betts, who will be starting an online astronomy course. A transcription of the interview is included in this post, as well as a link to the podcast.