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Half the universe’s missing matter has just been finally found | New Scientist
About half the normal matter in our universe had never been observed – until now. Two teams have finally seen it by combining millions of faint images into one
articles  astronomy  darkmatter  space  astrophysics  cosmology  baryons  darkMatterIsBogus  electron  feedly  galaxy  ifttt 
6 days ago by xer0x
Half the universe’s missing matter has just been finally found | New Scientist
"Two separate teams found the missing matter – made of particles called baryons rather than dark matter – linking galaxies together through filaments of hot, diffuse gas."
space  physics  cosmology 
6 days ago by ddribin
A numbers game - A numbers game
The constants of nature are among the things you just do not want to mess with
cosmology  physics  mathematics 
6 weeks ago by soobrosa
Galactic Map of Every Human Radio Broadcast - How Far Have Our Signals Traveled Into Space?
Carl Sagan's famous line from his 1990 speech about the Pale Blue Dot image—"Our planet is a lonely speck in the great enveloping cosmic dark"—is an understatement. We might consider our Milky Way, with its estimated 100 to 400 billion stars, a significant fixture in the cosmos. But there are some 100 billion galaxies just like it in the observable universe. It's a daunting reality to consider when we're thinking about the possibility of making contact with any intelligence that might be out there.
rationalthinker  science  philosophy  life  space  cosmology 
6 weeks ago by dstelow

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