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 rejoiced when he heard about the success.

Her face was shining with ecstasy.

His face was full of happiness.

His lateness is due to traffic congestion.