Ultimately, the question of why some planets have moons is still widely debated, but factors such as a planet’s size, gravitational pull, Hill sphere radius and how its solar system formed may ...

Thus, any moon of these circumbinary planets that may have the potential to form life, as they may be similar in size to Earth if a planet is very large. It's not a trivial question to ask if ...

Objects like the Moon, which orbit other planets, do not qualify under this definition. While the Moon is similar in size and composition to some of the smaller planets in our solar system, it lacks ...

This occurs the same way as what happens for Jupiter's moon Io, with a constant force of gravitation from the planet which leads to a lot of heating within the interior of the moon. Just like Io ...

At a conference in Hawaii in the late 1980s, a group of scientists solved the problem of how the Moon formed. Their research suggested that a Mars-size object crashed into the early Earth, jettisoning ...

Every individual has a dominant planet in their birth chart, which plays a key role in their life. If the Sun or Saturn is prominent, for instance, their personality, efficiency, and other life ...

A pale blue-green enigma, the planet ... of its size, which means there are likely many surprises awaiting us in the Uranus system,” Strong told Salon. Miranda is one of the moons orbiting ...

Here's what we know about what planets you can see close to the moon this month, and how to identify planets in the sky. This is known as conjunction, when two object appear close to each other in ...

The Sun reaches its southernmost point, the Ursid meteor shower peaks, and the Christmas Tree Cluster glitters in the sky ...