How Far Can You See in the Universe?

by Fraser Cain March 31, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter When you look into the night sky, you’re seeing tremendous distances away, even with your bare eyeball. But what’s the most distant object you can see with the unaided eye? And what if you get help with a pair of binoculars, […]

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Where is Earth Located?

by Fraser Cain February 17, 2014

You’ve probably heard the saying “everything’s relative”. When you consider our place in the Universe, everything really is relative. I’m recording this halfway up Vancouver Island, in the Pacific Ocean, off the West Coast of Canada. And where I’m standing is about 6,370 kilometers away from the center of the Earth, that way. Remove this […]

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“Vampire” Galaxy Sucks Star-Forming Gas from its Neighbors

by Jason Major January 27, 2014

What happens when a galaxy doesn’t have enough hydrogen to support its stellar production process? Why, it sucks it from its hapless neighbors like some sort of cosmic vampire, that’s what. And evidence of this predatory process is what’s recently been observed with the National Science Foundation’s Robert C. Byrd Green Bank Telescope (GBT) in West Virginia, […]

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Little Big Universe: Tilt-Shifted Astro Images Make Space Look Tiny

by Jason Major December 8, 2013

Aww, how cute! What an adorable little… nebula? Although here it may look like it could fit in your hand, the Horsehead Nebula is obviously quite a bit larger – about 1.5 light-years across from “nose” to “mane.” But given a tilt-shift effect by user ScienceLlama, the entire structure takes on the appearance of […]

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How Does a Star Form?

by Fraser Cain December 2, 2013

We owe our entire existence to the Sun. Well, it and the other stars that came before. As they died, they donated the heavier elements we need for life. But how did they form? Remove this ad Fraser Cain on Google+

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