Today’s astrophoto is supplied by forum member andyschlei. It’s a great photo of M13, the great globular cluster in Hercules. The photo was taken using a C-11 telescope, with a total exposure time of 37.5 minutes.
You’ve heard about the dust devils on Mars, but they’re actually much larger than even tornadoes here on Earth. The Stars My Destination has some diagrams to show us a sense of scale.
Now this is cool, Carl Zimmer is collecting images of science related tattoos. Show him your ink.
Did you know there are 13 telescopes perched atop Mauna Kea? Astroprof breaks them all down for us.
Sentient Developments has the transcript of a speech about the Fermi Paradox. Wondering where the aliens are gives a few clues about the future of humanity.