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Questions and Answers
What are the 5 main factors scientists believe are essential for life on other planets?
What are the 5 main factors scientists believe are essential for life on other planets?
- Nitrogen, phosphorus, oxygen, sunlight, and water
- Carbon, hydrogen, nitrogen, oxygen, and water (correct)
- Oxygen, helium, carbon dioxide, nitrogen, and phosphorus
- Sunlight, methane, carbon dioxide, sulfur, and water
What is an exoplanet?
What is an exoplanet?
- A celestial body that orbits a star outside of our solar system (correct)
- A dwarf planet in a distant galaxy
- A moon that orbits a planet outside of our solar system
- A rogue planet that travels through space without orbiting any star
What is the habitable zone? What is another name for it?
What is the habitable zone? What is another name for it?
- The region in space where alien life is most likely to exist. Also known as the Green zone.
- The area around a black hole where extreme conditions support life. Also known as the Extreme zone.
- The area around a star where liquid water could exist on the surface of a planet. Also known as the Goldilocks zone. (correct)
- The zone in a galaxy where habitable planets are clustered. Also known as the Life zone.
Why do you think extremophiles are usually so small?
Why do you think extremophiles are usually so small?
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