👉 Hyper-terrestrial is a concept in astrobiology that describes an exoplanet that has its atmosphere and surface covered by gases, primarily hydrogen. This type of planet would be much closer to us than Earth, with a diameter comparable to our moon's or Mars' orbit. The term "hyper" comes from the Greek word hyper meaning beyond or above. Hyper-terrestrial planets are particularly interesting because they could potentially host complex life forms that have evolved on their surface and in their atmosphere. They
