Question 1:

Which of the following is a key factor for planetary habitability?

Explanation: All of the options listed - presence of water, distance from the Sun, and atmospheric composition - are key factors for planetary habitability.

Question 2:

What is astrobiology?

Explanation: Astrobiology is the study of life in the universe, including its origin, evolution, distribution, and potential for habitability on other planets or moons.

Question 3:

Which moon of Jupiter is considered a strong candidate for hosting extraterrestrial life?

Explanation: Europa, one of Jupiter's moons, is considered a strong candidate for hosting extraterrestrial life due to its subsurface ocean of liquid water.

Question 4:

What is the "Goldilocks Zone"?

Explanation: The "Goldilocks Zone" refers to the region around a star where conditions are neither too hot nor too cold, making it potentially habitable for life as we know it.

Question 5:

Which NASA mission is focused on the search for habitable environments and signs of past or present life on Mars?

Explanation: The Perseverance rover, as part of NASA's Mars 2020 mission, is focused on the search for habitable environments and signs of past or present life on Mars.