Every morning, it's my daily routine to look at the morning star from the window.

He was always envious of others' success, saying that the grass is always greener on the other side.

A white dwarf is a celestial body that a giant star becomes at the end of its life.

A brown dwarf is a celestial body that has a size between a star and a planet.

Red dwarfs are the most common type of star in the universe.

I was able to find the Big Dipper.

It is believed that black dwarfs are formed by the cooling of white dwarfs.

Please imagine the day when aliens come to Earth.

Sirius is the brightest star in the night sky.

The circumpolar star is always visible in the north.