He was with the Egg now, sensing the approach of a massive object from the west.

Just how is it possible for such a massive object to soar through the air?

Strong as they were, the workers seemed to have difficulty with such a massive object.

Both are in orbit around an even more massive central object.

So there is a lot of spinning massive objects here.

The effect on star location should be small unless the light goes past a very massive object like a black hole.

The field lines point toward the central massive object.

It is one of the most massive objects in the universe.

Light appears to slow down when it passes close to a massive object.

A massive, solid object pushed gently against his left arm.