SuperMercury

SuperMercury is a hypothetical planet that orbits its star at a distance much closer than Mercury does to the Sun. Due to its proximity to its star, SuperMercury would experience extreme temperatures, potentially making it uninhabitable for life as we know it. The planet's surface would likely be molten, and its atmosphere, if it has one, would be thin and composed of gases that can withstand high temperatures.

The concept of SuperMercury is often used in astrobiology and exoplanet research to study the potential habitability of planets in close orbits around their stars. Scientists use models to simulate the conditions on SuperMercury and compare them to those on Earth to understand the factors that contribute to a planet's habitability.

SuperMercury is not a real planet, but rather a theoretical construct used to explore the limits of habitability in the universe. It serves as a useful tool for scientists to better understand the conditions necessary for life to exist on other planets.