This page includes my earlier website - Journey into Space. .jpg)
The universe refers to everything physical in existence, from all celestial objects, matter, energy, galaxies, solar systems, etc.
.. Space refers to the empty void between all these things.
People also ask
Is there a difference between space and the universe?
The universe is everything. It includes all of space, and all the matter and energy that space contains. It even includes time itself and, of course, it includes you. Earth and the Moon are part of the universe, as are the other planets and their many dozens of moons.
ESA Story of the Universe here.
See "Theastronomical unit" here and "Light Year" under it.
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