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Look into night sky, what lies above is the universe:
- space, galaxies, everything in it (possible life forms/ intelligence that may exist).
Possible- a number of worlds scattered throughout the cosmos, similar to Earth.
According to Einstein:
“You cannot touch, see and feel the universe, the universe is not simply emptiness; but is a real stretchable & flexible thing.”
Einstein predicted (but did not believe it):
Expansion of space is predicted by the “Theory of Relativity”.