Hypothetical Extrasolar Planet Types
Hypothetical types of extrasolar planet include:
- Carbon planet: a terrestrial planet composed primarily of carbon, rather than silicon
- Chthonian planet: A hot Jupiter whose outer layers have been completely stripped off by its parent star
- Coreless planet: A terrestrial planet that has no metallic core
- Earth analog: A terrestrial planet that lies at just the right distance from its star to support life
- Helium planet: a gas giant planet formed around a white dwarf star that is composed mainly of helium instead of hydrogen
- Iron planet, a planet like Mercury that consists mainly of an iron core with little mantle
- Ocean planet: A planet whose surface is covered entirely by deep oceans
- Rogue planet: A planet not tied to any star, but wandering freely through the galaxy
- Trojan planet: A planet that orbits with a star instead of around it
Read more about this topic: List Of Unconfirmed Extrasolar Planets
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