Here are a few things we wanted to share:

In this Hubble image, the galaxy cluster Abell 2218 reveals its dark matter by lensing background galaxies into giant arcs. Courtesy of NASA/JPL.

• Our friend Petrea at Pasadena Daily Photo finds a bargain: pasadenadailyphoto.com
• A JPL guy blows our mind: What is dark matter? JPL Blog
• Our pal Scott Timberg, one of the many ex-L.A. Times folks around here, writes for the New York Times about the rise and fall of his hometown, Eagle Rock: nytimes.com
• Stargazing at Farnsworth on Friday night, and Altadena electioneering: altadenablog.com
• La Canada trail opens, part of an in-progress loop trail: Pasadena Star News