He made a name for himself as the General who pacified the East.

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

This square matrix has the same number of rows and columns.

His spirit is very strong.

He worked all night to finish the job he had begged for.

He passed away quietly.

He feels dizzy when he stands up suddenly due to orthostatic hypotension.

Astrobiology is a very interesting field of study.

He continued his journey to the west.

General relativity is a theory of physics proposed by Einstein.