I'm thinking of having Japanese amberjack sashimi for dinner today.

What is this thing?

The problem came about suddenly.

The disposal of this plastic product has a negative impact on the environment.

We need to dispose of this old furniture.

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.