An exoplanet in the Trappist star system — a multi-planet star system similar to the solar system and just 39 light-years ...

Planets of this type are radioactive to the point of being ... in Volcanic biomes can get hot enough to ignite the planet's surface. Never stray too far from your starship on Volcanic worlds.

which measures the temperature and composition of the planet's surface and reveals what types of minerals are found on the planet's surface, which the European Space Agency (ESA) says is "one of ...

Many types of exoplanets exist ... Spectroscopes can also help to confirm or clarify our readings of a planet's surface temperature. For example, many molecules behave differently at different ...