binary star

And if we are looking at a binary star, then it's not Earth's sun.

It is a binary star approximately 50 light years away from Earth.

Within the system, there are two separate systems of binary stars.

The binary star has a rotation period of 4.82 days.

A binary star is two stars which orbit around each other.

Two stars that orbit close to each other are called binary star.

He is most famous for the discovery and study of close binary stars.

In the center of the image were small, circling binary stars.

Like the sky at night, and there are two bigger than the rest, probably those binary stars.

As a result, this small companion probably formed like a binary star.