The Big Bang
They thought it was a explosion in the universe so they sent astronauts into space.
big bang: This is the big bang theory
Astronomers believe the universe began with an explosion, known as the Big Bang, because of the observed expansion of the universe, the cosmic microwave background radiation, and the abundance of light elements like hydrogen and helium. These pieces of evidence support the idea that the universe started from an incredibly hot and dense state about 13.8 billion years ago.
people who study about the universe are called astronomers
Astronomers and physicists.
Islamic astronomers contributed to the edestruction of the geocentric view of the universe a iSlmamlhdiI.
They are called astronomers.
Perhaps in the future astronomers will do all the redshifts of the 100 billion galaxies in the universe.
Astronomers use an auditory up on a hillside, and away from cities and pollution. So what i'm trying to say is that astronomers use an auditory to study the components of the universe.
Cosmologists.
It tells us that the Universe is expanding.
It is possible that someday astronomers will measure all the distances of the 100 billion galaxies in the universe.