Will you marry me?

"Do you want to have a meal? Take a bath? Or choose me?" she said jokingly.

He was hiding the fact that he was an illegitimate child.

Cosmic background radiation is considered evidence of the Big Bang.

My dream is to become an astronaut.

Astrobiology is a very interesting field of study.

He is majoring in aerospace engineering.

The space probe discovered a new planet.

He is an expert in astrophysics, and his research is highly valued around the world.

He said, 'Where there is a will, there is a way,' and faced the difficult situation.