Question 1:

Which of the following is NOT a characteristic used to classify exoplanets?

Explanation: The distance from Earth is not a characteristic used to classify exoplanets. Exoplanet classification is primarily based on their mass, size, and composition.

Question 2:

Which type of exoplanet has a size between that of Earth and Neptune?

Explanation: A planet with a size between that of Earth and Neptune is classified as a Mini-Neptune. Super-Earths have a size larger than Earth but smaller than gas giants.

Question 3:

Which type of exoplanet is composed mostly of hydrogen and helium?

Explanation: Gas Giants are composed mostly of hydrogen and helium. These planets have a relatively low density compared to terrestrial or rocky planets.

Question 4:

Which type of exoplanet has a solid surface similar to that of Earth?

Explanation: Terrestrial exoplanets have a solid surface similar to that of Earth. These planets are predominantly rocky in nature.

Question 5:

Which exoplanet classification refers to a planet that orbits a star outside our solar system?

Explanation: The term "Exoplanet" refers to a planet that orbits a star outside our solar system. It is a general term used to describe any planet beyond our own solar system.