<![CDATA[io9: Globular Cluster]]> http://cache.io9.com/assets/base/img/thumbs140x140/io9.com.png <![CDATA[io9: Globular Cluster]]> http://io9.com/tag/globular cluster http://io9.com/tag/globular cluster <![CDATA[Behold, one of the most ancient celestial clusters in the Universe]]> Damn. This, ladies and gentlemen, is what stargazers call a globular cluster — a spherical grouping of gravitationally bound celestial bodies, swirling about deep in the inky blackness of space. [Hi-res available here] More »
]]> http://io9.com/index.php?op=postcommentfeed&postId=5883415&view=rss&microfeed=true <![CDATA[Deadly gamma-rays from an exploding star might have caused a mass extinction]]> In theory, a supernova thousands of light-years away could release gamma-rays that would fry most life on Earth. But the star must be positioned exactly right for this to ever happen, and there's no way to prove it. Until now. More »
]]> http://io9.com/index.php?op=postcommentfeed&postId=5874028&view=rss&microfeed=true <![CDATA[The faraway star clusters on the other side of the galaxy]]> That bright explosion of stars on the right is a globular star cluster, one of just 160 such clusters in the galaxy. It's making its big debut after long being hidden behind the dust of the center of the galaxy. More »
]]> http://io9.com/index.php?op=postcommentfeed&postId=5855431&view=rss&microfeed=true <![CDATA[The universe's first stars spun around at a million miles per hour]]> The early cosmos might have been full of giant stars spinning 250 times faster than our own sun rotates. These strange spinstars died out after just 30 million years, but they might well have changed the universe forever. More »
]]> http://io9.com/index.php?op=postcommentfeed&postId=5796389&view=rss&microfeed=true <![CDATA[Hubble reveals what astronomers will see 10,000 years from now]]> We're used to images from space revealing the universe's distant past, but now the Hubble Space Telescope, with the help of a powerful computer simulation, has revealed the movements of a swarm of stars for the next 10,000 years. More »
]]> http://io9.com/index.php?op=postcommentfeed&postId=5677618&view=rss&microfeed=true <![CDATA[100,000 Stars Are Cooking in the Globular Cluster]]> Hubble just shot this picture of M13, a "globular cluster" of 100,000 stars all whirling around in extremely close proximity to each other. This cluster, which is about 150 light-years across, would make for a lovely home if you wanted to see a sky full of suns every day. And who doesn't want that? More »
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