Alpha Centauri, in the constellation of Centaurus, is the closest star to Earth.

A sub-brown dwarf is a celestial body between a planet and a brown dwarf.

Astrocytes are one of the important support cells in the brain.

He said, 'A nameless star comes out in the evening,' teaching me that achieving a goal is not easy.

He said, 'Each person has one life, like a pike or a shrimp,' and decided to live his life with care.

A day without seeing her feels like an eternity of waiting impatiently.

This univalve has beautiful colors, doesn't it?

His story is a mix of truth and fiction, and I don't know what's true.

This painting is my most precious item under heaven.

My class starts at eleven o'clock.