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HD 100546 b is classified as a gas giant with a size approximately 6.9 times the radius of Jupiter. Its mass is uncertain, but it is estimated to be around 2 to 4 times that of Jupiter.
HD 100546 b is located approximately 320 light-years away from Earth in the constellation Hydra.
As a gas giant, HD 100546 b is primarily composed of hydrogen and helium, similar to Jupiter and Saturn. It may also have a rocky core, but the exact internal structure is still a topic of research.
Since HD 100546 b is a gas giant, it doesn’t have a solid surface like terrestrial planets. Instead, it has an atmosphere composed of gases, potentially with clouds and storms, but detailed observations of its atmosphere are still limited.
It’s a gas giant still in the process of formation. It offers a rare chance to observe how planets form and grow, helping scientists understand the early stages of planet development.
This planet was discovered through direct imaging. Unlike most exoplanets, HD 100546 b was directly observed using a telescope. It’s still forming, which made it a special find using advanced imaging techniques like those with the Very Large Telescope in Chile.