Sister blog of Physicists of the Caribbean. Shorter, more focused posts specialising in astronomy and data visualisation.
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Weaponising dark matter
Stephen Baxter's Xeelee sequence revolves around a war between baryonic and non-baryonic life forms. One memorable sequence features a p...
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Of course you can prove a negative. In one sense this can be the easiest thing in the world : your theory predicts something which doesn...
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In the last batch of simulations, we dropped a long gas stream into the gravitational potential of a cluster to see if it would get torn...
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Yesterday I removed from a certain community's spam folder a post consisting of 94 slides about some sterotypical pseudoscience theor...
Sure, though I did explain in several recent posts. This is what the sky would look like if we could see the neutral hydrogen gas of the Milky Way as well as the stars. Hydrogen emits at very specific frequencies depending on how fast it's moving towards or away from us. In the above gif, the emission in different frequencies is used to generate the red, green and blue colours, which helps to enhance the visibility of the different structures. I explain more here :
ReplyDeletehttp://astrorhysy.blogspot.cz/2013/11/damn-thats-nice-piece-of-gas.html
It's a "test" in the sense that I'm trying to work out the best way to show this.
21 cm band, if I remember my Larry Niven correctly.
ReplyDeleteYep, and in Carl Sagan's Contact they even use real astronomer-speak and call it L-band.
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