https://citizendium.org/wiki/index.php?title=Heterosphere/Definition&feed=atom&action=historyHeterosphere/Definition - Revision history2024-03-28T22:32:48ZRevision history for this page on the wikiMediaWiki 1.39.5https://citizendium.org/wiki/index.php?title=Heterosphere/Definition&diff=686038&oldid=previmported>Meg Taylor: add2009-09-12T04:57:16Z<p>add</p>
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Upper portion of a two-part division of the atmosphere (the lower portion is the homosphere) according to the general homogeneity of atmospheric composition, starts at 50-62 miles (80-100 kilometers) above the earth.</div>imported>Meg Taylor