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.

When you cross the International Date Line, the date changes by one day.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

Asymmetric Digital Subscriber Line provides high-speed internet connection.