Topic Details (Notes format)

Which astronomer wrote the 16th-century work ‘De revolutionibus orbium coelestium’ on heliocentrism?

Who discovered practical AC electricity?

Who discovered the structure of collagen?

Which is the largest desert in the world?

Which element has the chemical symbol "No"?

What are the two main gases in Earth’s atmosphere?

Who discovered the ruins of Carthage?

Who discovered gamma-ray bursts?

What is the smallest prime number?

Which element has the chemical symbol "Er"?