dust

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The Largest Trainwrecks in the Universe

“Where you used to be, there is a hole in the world, which I find myself constantly walking around in the daytime, and falling in at night. I miss you like hell.” -Edna St. Vincent Millay It was just a little while ago that we were all speculating wildly — and optimistically — about Comet…

“One sees qualities at a distance and defects at close range.” -Victor Hugo A couple of weeks ago we took a look at the most distant galaxy (so far) in the known Universe, a galaxy so far away that it takes exclusively infrared observations from our most power space telescopes (Hubble and Spitzer) in order…

How do we see through our own galaxy?

“I am undecided whether or not the Milky Way is but one of countless others all of which form an entire system. Perhaps the light from these infinitely distant galaxies is so faint that we cannot see them.” -Johann Lambert When we look out at the Universe, our view is pretty consistently dominated by the…

“It’s a brilliant surface in that sunlight.” – Neil Armstrong Indeed, all that glitters so brilliantly in the cosmos does so because of the stars that have formed throughout it. Over the 14 billion-or-so years that our Universe has been around, we’ve formed hundreds of billions of stars in our galaxy alone. Given that our…

It will shine still brighter when night is about you. May it be a light for you in dark places, when all other lights go out. -J.R.R. Tolkien The night sky is no stranger to most of you. Once the Sun goes down in the west, the sky darkens, turning ever-deeper shades of blue until…