Difference between revisions of "Outer space"
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(New page: '''Outer space''' is the physical realm beyond the earth's atmosphere. It is mostly empty and apparently boundless.) |
(molecules too far apart to transmit sound waves.) |
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| − | '''Outer space''' is the physical realm beyond the | + | '''Outer space''' is the physical realm beyond the [[Earth]]'s atmosphere. |
| + | It is mostly empty and apparently boundless. | ||
| − | + | In space, sound cannot travel because there is not enough air. Space is a nearly perfect vacuum. The few stray [[molecule]]s floating about in space are much too far apart to transmit [[sound wave]]s. | |
Revision as of 13:03, April 18, 2007
Outer space is the physical realm beyond the Earth's atmosphere. It is mostly empty and apparently boundless.
In space, sound cannot travel because there is not enough air. Space is a nearly perfect vacuum. The few stray molecules floating about in space are much too far apart to transmit sound waves.