That’s because these planets are primarily made from gas and have no solid surface. This group of planets is also known as the ‘Jovian Planets’ after the Roman god Jupiter. Jupiter is ...

This gravity disparity is largely due to that equatorial bulge creating non-uniform distances from points on the planet's surface to center of the Earth, and to the fact that the Earth spins.

The excited jiggle of Naef's cursor shows that the reading has fallen just where it should if an unseen planet is tugging the star to and fro. The next day the team leader, veteran planet hunter ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...