Thanks to light, we know the history of the universe and the composition of distant celestial bodies

The world's largest virtual universe created by Chinese supercomputers
It turns out 15 'facts' about the Earth and the universe that we still believe is completely wrong

How do scientists study the universe when they don't set foot on it?

4 cosmic phenomena have the speed of traveling through the speed of light
Discovering new gravitational waves from two black holes collides 3 billion light-years away

The answer is light. By observing and analyzing the light transmitted from the universe, scientists can know the structure, temperature, pressure, direction and speed of movement . of bodies away from Earth billions of years. the light. Light is the source of information to reveal the history of the universe.

Edwin Hubble, a physicist, American astronomer was the first to study light from distant galaxies.

Marvin Fry

Update 24 May 2019

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Thanks to light, we know the history of the universe and the composition of distant celestial bodies

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