T he Sun goes through an 11-year cycle of activity, going from the solar maximum, where it is covered in many sunspots and is ...

But a strong gravitational field throws classical predictions off. Einstein postulated three ways this theory could be proved. One was by observing the stars during a total solar eclipse. The sun ...

While Mercury doesn't have a moon, the reason is simply because it's too close to the Sun for its gravitational field to be strong enough to hold anything in its orbit. It has largely been ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects - planets, dwarf planets, asteroids and comets - in orbit around it. The Sun and ...

Large bodies such as the Sun, the Moon and the Earth all have very large masses. Due to the large mass each body has a gravitational field that attracts smaller masses to it. Mass (\(m\)) is a ...