For accurate observations, astronomers need to know the amount of dust between them and their distant targets. Not only does dust make objects appear reddish ("reddening"), it also makes them appear ...
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Rarest asteroid class killed dinosaurs: CO chondrite find shifts extinction blame to dust
Sixty-six million years ago, the most consequential rock in Earth's history hit what is now Mexico's Yucatán Peninsula at roughly 64,000 km/h and detonated with enough force to erase 75 percent of all ...
Interstellar extinction refers to the attenuation and reddening of starlight as it passes through the diffuse gas and dust of the interstellar medium. Analysis of extinction relies on the construction ...
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