Life is an Exam !

Test Your Knowledge on Universe -Planets & Stars

PIRO4D / Pixabay

A quick quiz on universe ! The wide-open space that holds everything from the smallest particle to the biggest galaxy is known as Universe . . Scientists believe that about 13.7 billion years ago, a powerful explosion called the Big Bang happened. This powerful explosion set the universe into motion and this motion continues today. Astronomers try to measure it all the time  and their favourite instrument for that is a spectroscope. It  tells whether an object is moving away from Earth or toward Earth.

Test Your Knowledge on Universe -Planets & Stars

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