Assertion: planet's density | /r/CreatedBy | a pressure of 1 atm
Facets:
Source sentences:
text: The thickness of the atmosphere, or of some gas in the atmosphere, can be characterized by a special quantity, expressed in meter-atmospheres (m-atm) or centimeter-atmospheres (cm-atm), equivalent to the altitude (in meters or centimeters) to which the atmosphere would extend if it had a uniform density corresponding to a pressure of 1 atm ~