Galaxies show a redshift proportional to their distance
Since the Hubble constant H 0 can be found by dividing velocity by distance,it is customarily written in the rather baroque units …
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Galaxies show a redshift proportional to their distance
By 1929, enough galaxy redshifts had been measured for the cosmologistEdwin Hubble to make a study of whether a galaxys redshift d…
Galaxies show a redshift proportional to their distance
Strictly speaking, when z 0, this quantity is called a blueshift, rather thana redshift. However, the vast majority of galaxies h…
Galaxies show a redshift proportional to their distance
When we look at a galaxy at visible wavelengths, we are primarily detectingthe light from the stars which the galaxy contains. Thu…
On large scales, the universe is isotropic and homogeneous
The cosmological principle has the alternate name of the Copernicanprinciple as a tribute to Copernicus, who pointed out that the …
Politics is not a bad profession. If you succeed there are many rewards, if you disgrace yourself you can always write a book.
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you Don't stop laughing because you grow old. you grow old because you stop laughing.
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If you must doubt, doubt your doubts-never your beliefs.
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You see what power is holding someone else's fear in your hand and showing it to them!
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Failure is not the only punishment for laziness; there is also the success of others.
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