He has a deep interest in astronomy.

Radio astronomy plays a very important role in understanding the universe.

Infrared astronomy provides a new perspective on understanding the universe.

Hydra is one of the largest constellations in astronomy.

Sea snakes are known for their venom.

Sea snakes live in the sea.

A sea snake is a type of marine creature, often venomous.

This is the most beautiful flower.

Her constellation is Libra.

He ate one apple.