A Facebook video uses the debunked flat-Earth theory to claim the James Webb Space Telescope and the images it took are fake.
that can send information it has gathered, including images, toward Earth. That information is then collected by large radio antennas positioned around the world as part of the NASA Deep Space Network, which then forwards it to the Webb Science and Operation Center in Baltimore.The concept of the night sky being filled with stars can be traced back to. The Greek philosopher Democritus theorized in the fifth century B.C.
For a long time, people thought the Milky Way was the universe’s only galaxy. That changed in 1923, whenwas observing what was then known as the Andromeda Nebula at the Mount Wilson Observatory in Los Angeles County. Hubble was looking at a dim cluster of stars and found one considered a cepheid variable, which allows astronomers to measure distance based on that star's changing brightness.
Using that star, Hubble calculated that the cluster wasn’t a nearby nebula within the Milky Way; it was an entirely separate galaxy. He looked at other recorded nebulae and concluded there were millions of other galaxies in the universe.
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