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Unformatted text preview: 26 kg ,  Neptune is an intermediate body between Earth and the larger gas giants : its mass is seventeen times that of the Earth but just 1/19th that of Jupiter .  The planet's surface gravity is only surpassed by Jupiter .  Neptune's equatorial radius of 24764 km  is nearly four times that of the Earth. Neptune and Uranus are often considered a sub-class of gas giant termed " ice giants ", due to their smaller size and higher concentrations of volatiles relative to Jupiter and Saturn .  In the search for extrasolar planets Neptune has been used as a metonym : discovered bodies of similar mass are often referred to as "Neptunes",  just as astronomers refer to various extra-solar bodies as "Jupiters"....
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This note was uploaded on 12/15/2011 for the course AST AST1002 taught by Professor Emilyhoward during the Fall '10 term at Broward College.
- Fall '10