Redshift - Sixty Symbols

You've heard of redshift, but what about the "blue shifting galaxy" on a collision course with the Milky Way!?

Featuring Michael Merrifield and Omar Almaini

Redshift is a measure of how fast objects in the distant universe are moving away from you. It is often used in astronomy as a measure of distance, because of Hubble's law which relates the redward shift in wavelength of the spectra of very distant objects to their distance and their epoch in the history of the universe.

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Видео Redshift - Sixty Symbols канала Sixty Symbols