GENERAL KNOWLEDGE

GK

THE UNIVERSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The universe is mostly:
A
Made of stars
B
Gas and dust clouds
C
Rocky planets, moons, and extraterrestrial objects
D
Empty space
Explanation: 

Detailed explanation-1: -SPACE-TIME is mostly empty. Though there are at least 100 billion galaxies – each home to around 100 billion stars – and lots of galactic dust, the universe is so vast that there are huge tracts of space-time between every star and more still between every galaxy.

Detailed explanation-2: -In 1911, Rutherford suggested a new idea about atoms, one that said atoms have a small dense nucleus, but Thomson’s electrons were far away from it. Therefore, an atom is mostly empty space.

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