My God Its Full of Stars! One of the more difficult ideas to grasp in astronomy is the sheer scale of the cosmos. Now NASA and ESA have released a new image of the Andromeda galaxy. The total image has about 1.5 billion pixels, and shows over 100 million stars across 40,000 light years. In the image you can see the brilliant swirls of Andromeda’s spiral arms, but when you zoom in the dusty swirls resolve into individual stars. A vast sea of stars. As you look on this image, keep in mind that this is only part of a nearby galaxy. It’s estimated that there are 100 billion galaxies in the visible universe. ―Brian Koberlein If your machine will accommodate it, watch it in full high resolution. (Thanks, Vincent R Pozon.)
Posted on: Tue, 20 Jan 2015 08:49:17 +0000
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