Front

What type of electromagnetic radiation can be detected with an optical telescope?

Back

Invisible electromagnetic radiation only.

Front

What is an optical telescope?

Back

An instrument used to observe distant objects by collecting visible light.

Front

How long ago do cosmologists believe the universe began with the Big Bang?

Back

13 to 14 billion years ago.

Front

What was one of the Ancient Greek contributions to Earth Science?

Back

They made a catalog of rocks and minerals.

Front

What is the study of the atmosphere, weather, and climate called?

Back

Meteorology.

Front

What type of electromagnetic radiation is visible to the human eye?

Back

Visible light.

Front

What is the primary focus of astronomy?

Back

The study of celestial objects, space, and the universe as a whole.

Front

What is the Big Bang Theory?

Back

A scientific explanation for the origin of the universe, stating it began from a singularity and has been expanding ever since.

Front

What is the difference between an optical telescope and an electromagnetic telescope?

Back

An optical telescope observes visible light, while an electromagnetic telescope can detect various types of electromagnetic radiation.

Front

What are the main components of the Earth's atmosphere?

Back

Nitrogen, oxygen, argon, carbon dioxide, and trace gases.