Difference between revisions of "Carbon planet"
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Carbon planets are a theoretical type of terrestrial planet that form in carbon rich (acd oxygen poor) protoplanetary disks. The core would be iron rich and surrounded by silicon carbide and titanium carbide. The mantle would be mainly made of graphite and multi-kilometer thick layer of diamond (if there is sufficient pressure.<ref>[http://www.space.com/scienceastronomy/060607_carbon_excess.html Star's Planets Might Have Mountains of Diamonds]</ref> The surface would be abundant in hydrocarbons and carbon monoxide. | Carbon planets are a theoretical type of terrestrial planet that form in carbon rich (acd oxygen poor) protoplanetary disks. The core would be iron rich and surrounded by silicon carbide and titanium carbide. The mantle would be mainly made of graphite and multi-kilometer thick layer of diamond (if there is sufficient pressure.<ref>[http://www.space.com/scienceastronomy/060607_carbon_excess.html Star's Planets Might Have Mountains of Diamonds]</ref> The surface would be abundant in hydrocarbons and carbon monoxide. | ||
[[Image:060607_planet_compare_02.jpg|thumb|right|Comparison between a normal planet and a carbon planet.]] | |||
Carbon planets are predicted to be of similar diameter to silicate and water planets of the same mass, potentially making them difficult to distinguish.<ref>[http://arxiv.org/abs/astro-ph/0504214 Extrasolar Carbon Planets]</ref> | Carbon planets are predicted to be of similar diameter to silicate and water planets of the same mass, potentially making them difficult to distinguish.<ref>[http://arxiv.org/abs/astro-ph/0504214 Extrasolar Carbon Planets]</ref> | ||
Revision as of 01:27, 19 March 2009
Carbon planets are a theoretical type of terrestrial planet that form in carbon rich (acd oxygen poor) protoplanetary disks. The core would be iron rich and surrounded by silicon carbide and titanium carbide. The mantle would be mainly made of graphite and multi-kilometer thick layer of diamond (if there is sufficient pressure.[1] The surface would be abundant in hydrocarbons and carbon monoxide.
Carbon planets are predicted to be of similar diameter to silicate and water planets of the same mass, potentially making them difficult to distinguish.[2]
