How Astronomers Capture Objects in Space
By jason - up to 2007 (archived) • May 15th, 2007 • Category: News for Creatives (archives)From PopPhoto:
“Scientists announced this week (May 7) that they had discovered the brightest supernova ever observed, in a distant galaxy about 240 million light-years from earth. The head of the discovery team, Nathan Smith from UC Berkeley, discovered the exploding star in the galaxy NGC 1260 (in the constellation Perseus) last September, and astronomers have been following its behavior since then.
What does it take to get an image of an exploding star 240 million light years away? A big telescope, a hefty CCD, and liquid helium! The infrared image below was taken by Professor Josh Bloom of UC Berkeley. The special CCD detector used has to be cooled by liquid helium to allow it to record IR wavelengths.” Read more here
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