Have you ever looked up in the night sky and wondered, “Why is space black?”
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Why is space black?
“If you've done your homework, you know that space is huge. It even be infinite, which is much bigger than huge.”
How could the universe expand faster than the speed of light? That seems impossible!
“In science fiction universes, traveling the galaxy is a snap – just engage the ‘warp’ or ‘hyperspeed’ drive, and off you go, cruising the cosmos at several times the speed of light.”
How can the universe expand faster than the speed of light?
“There are two big things to remember about the expansion of the universe. First, the universe doesn’t expand at a particular speed, it expands at a speed per distance.”
1929: Edwin Hubble Discovers the Universe is Expanding
“When Edwin Hubble was hired to work at Mount Wilson Observatory in 1919 (part of the Observatories of the Carnegie Institution of Washington) as a junior astronomer, the most pressing question of the day concerned the nature of the cloudy patches called nebulae.”
Cosmic Microwave Background Radiation
Holmdel Horn Antenna: Where the embers of the Big Bang were first detected
“In the 1950s, the scientific community was split by two competing theories explaining the origin of the universe.”
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