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.

The Orihime star is one of the brightest stars in the night sky.

She is interested in astrology.

She has a deep interest in astrology.

In Chinese astronomy, the term 'Ashidareboshi' refers to a specific constellation.

He claims to be a 'breast alien' (slang for a person who is obsessed with breasts).

He comes from a lineage of hereditary feudal lords.