Quote:
Originally Posted by peacegirl
Quote:
Originally Posted by Spacemonkey
Quote:
Originally Posted by peacegirl
A closed system means that there is an enclosed space in which an object and a viewer appear. The size of the space or how far away the object is from the viewer is irrelevant because the principle still works in either case.
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What encloses the Sun and the Earth? How are they in an enclosed space? |
Nothing actually encloses the Sun and the Earth. |
Then by your own definition it is not a closed system.
