Definition: A palaeotheroid is a type of asteroid that orbits around the Sun in the Solar System. They are classified as gas giants because they have a rocky core and an atmosphere, but their orbit is more like a planet's orbit around the Sun rather than a star's orbit. Palaeotheroids are also known for their habitable zones, where it has been proposed that they could support life if conditions were just right. Palaeotheroids can be classified into two main types: asteroid-type
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