Made a perfect score on my astronomy test! In celebration, here’s the image that’s been my desktop background for the past several months, c/o NASA.
09.21.11 /10:22/♥ 19
galaxygalaxiesnebulaouter spacephysicsAstronomy
The Best NASA Photographs of 2010 An image of two colliding galaxies. The Antennae galaxies, located about 62 million light-years from Earth, are shown in this composite image from the Chandra X-ray Observatory (blue), the Hubble Space Telescope (gold and brown), and the Spitzer Space Telescope (red). The collision, which began more than 100 million years ago and is still occurring, has triggered the formation of millions of stars in clouds of dust and gas in the galaxies…Read more http://www.newyorker.com/online/blogs/photobooth/2010/12/nasa.html#ixzz18DsAPJ00
12.15.10 /16:38/♥ 14
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Notice how the shining objects in this image are galaxies, not stars.
11.22.10 /00:48
universegalaxiesnasa
Almost every object in the above photograph is a galaxy. The Coma Cluster of Galaxies pictured above is one of the densest clusters known - it contains thousands of galaxies. Each of these galaxies houses billions of stars - just as our own Milky Way Galaxy does. Although nearby when compared to most other clusters, light from the Coma Cluster still takes hundreds of millions of years to reach us. In fact, the Coma Cluster is so big it takes light millions of years just to go from one side to the other! Most galaxies in Coma and other clusters are ellipticals, while most galaxies outside of clusters are spirals. The nature of Coma’s X-ray emission is still being investigated. The Coma Cluster of Galaxies
11.22.10 /00:33
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