“We find them smaller and fainter, in constantly increasing numbers, and we know that we are reaching into space, farther and farther, until, with the faintest nebulae that can be detected with the greatest telescopes, we arrive at the frontier of the known Universe.” –Edwin Hubble There’s really only one way to appreciate just how … Read moreHubble for the Holidays: Eta Carinae
“You cannot propel yourself forward by patting yourself on the back.” –Steve Prefontaine But there are lots of amazing ways to propel yourself forward, indeed. Listen to one of the greatest musical groups of our times, Béla Fleck and the Flecktones, as they perform Victor Wooten‘s song, Sex In A Pan,off their album UFO Tofu. … Read moreWeekend Diversion: Running Through the Universe
“I came at exactly the right time… I was 26 years old, and all the monks and priests down here were ready to retire. So I overlapped enough that I got to know them all.” –Allan Sandage As many of you have heard, Allan Sandage passed away last Saturday. Let me tell you a little … Read moreFare thee well, Allan Sandage
“I’ve been noticing gravity since I was very young.” –Cameron Diaz Yesterday, I told you about one of the simplest arguments for dark matter. We look out at the fluctuations in the microwave background on all the different angular scales we can measure — from about 0.2 degrees all the way up to the whole … Read moreHey Dark Matter, Where Are You?!
“A house is never still in darkness to those who listen intently; there is a whispering in distant chambers, an unearthly hand presses the snib of the window, the latch rises. Ghosts were created when the first man awoke in the night.” –J. M. Barrie But off in space, a whopping 320 million light years … Read moreHappy Friday the 13th from Hubble!
“I may be an old lion, but if someone puts his hand in my mouth, I can still bite it off.” –Wilhelm Steinitz When you look at a typical galaxy, you usually find a disk, a bulge, and a few dots diffusely strewn about the exterior. Like an old lion, these dots have been around … Read moreGlobular Clusters: A minor mystery?
When I had satisfied myself that no star of that kind had ever shone before, I was led into such perplexity by the unbelievability of the thing that I began to doubt the faith of my own eyes. –Tycho Brahe One of the great things that the Hubble Space Telescope has given us is a … Read moreSupernova Remnants: Now and Then, and Eye Candy
Where there is an observatory and a telescope, we expect that any eyes will see new worlds at once. –Henry D. Thoreau 20 years ago tomorrow, the Hubble Space Telescope was launched into orbit. It doesn’t look that impressive, and maybe it shouldn’t. After all, what is a space telescope? It’s a couple of mirrors, … Read moreHey Hubble, Thanks for 20 years of Awesome
One of the perks of being a postdoc at a place like the University of Arizona, one of the top places in the US for astronomy, is that we get a number of really interesting visitors. Today we got paid a visit by Tommaso Treu, an astronomer at UC Santa Barbara. He spoke to us … Read moreAn amazing discovery: a double Einstein Ring!