Do they not reflect in their own minds? Not but for just ends and for a term appointed, did Allah create the heavens and the earth, and all between them: yet are there truly many among men who deny the meeting with their Lord (at the Resurrection)! (Surah Ar-Rum,8 )
For thousands of years, astronomers wrestled with basic questions concerning the universe. Until the early 1920’s, it was believed that the universe had always been in existence; also, that the size of the universe was fixed and not changing. However, in 1912, the American astronomer, Vesto Slipher, made a discovery that would soon change astronomers’ beliefs about the universe. Slipher, noticed that the galaxies were moving away from earth at huge velocities.
In 1916, Albert Einstein formulated his General Theory of Relativity that indicated that the universe must be either expanding or contracting. Confirmation of the expanding-universe theory finally came in 1929 in the hands of the well known American astronomer Edwin Hubble.
Hubble found that galaxies were not fixed in their position; instead, they were actually moving away from us with speeds proportional to their distance from earth (Hubble's Law). The only explanation for this observation was that the universe had to be expanding. Hubble’s discovery is regarded as one of the greatest in the history of astronomy. In 1929, he published the velocity-time relation which is the basis of modern cosmology. In the years to come, with further observations, the expanding-universe theory was accepted by scientists and astronomers alike.
Yet, astonishingly well before telescopes were even invented and well before Hubble published his Law, Prophet Muhammad used to recite a verse of the Quran to his companions that ultimately stated that the universe is expanding.
Soon after Hubble published his theory, he went on to discover that not only were galaxies moving away from the Earth, but were also moving away from one another. This meant that the universe happened to be expanding in every direction, in the same way a balloon expands when filled with air.
“And the heaven We created with might, and indeed We are (its) expander.” (Quran 51:47)
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