Question

What is gravitational microlensing?

Answer 1

Gravitational microlensing is an astronomical phenomenon due to the gravitational lens effect. It can be used to detect objects that range from the mass of a planet to the mass of a star, regardless of the light they emit.

Answer 2

gravitational microlensing is a astronomical phenomenon due to gravational lens effect it can used to detect the object.. that have mass like.. satr ..