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ASTRO 001 Exam 3 PSU (2024 / 2025) Actual Questions and Verified Answers, 100% Guarantee Pass
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ASTRO 001 Exam 3 PSU (2024 / 2025) Actual Questions and Verified Answers, 100% Guarantee Pass
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ASTRO 001 Exam 3 PSU.pdf file:///C:/Users/HP/Desktop/dddd/ASTRO%20001%20Exam%203%ASTRO 001 Exam 3 PSU Verified
Questions & Answers
1. What is the sun?
Answer It is a star just like the stars we see in the nighttime sky
2. Like how we humans, and animals, etc., all glow in?
Answer Infrared
3. How many earth's can you fit in the sun's volume?
Answer A million
4. About how much of the total mass of all the objects in the Solar System iscontained in
the sun?
Answer 99%
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5. What physical process generate the energy of the sun?
Answer Nuclear fusion
6. How many protons does a hydrogen atom have?
Answer One proton, and the differentforms can have one or two neutrons
7. 4He has?
Answer Two protons because it is helium and two neutrons to make 4 totalparticles in the
nucleus
8. What is the first step in the p-p chain?
Answer A proton combines with a proton tomake Hydrogen-2 (deuterium)
9. What is the second step in the p-p chain?
Answer There was a big burst of energy andthe reaction created Hydrogen-2 (deuterium)
10. Why is there a big burst of energy in the p-p chain?
Answer Because the mass of theparticles starting the reaction is more than that of the products.
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Mass is converted to energy via E=mc^2
11. What is the third step in the p-p chain?
Answer Hydrogen-2 combined with a protonto make Helium-3
12. What is the fourth step in the p-p chain?
Answer Radiation/energy is released andwe end up with Helium-3
13. What is the final step in the p-p chain?
Answer Helium-3 combines with Helium-3 tomake Helium-4 and two protons then a burst of
energy happens and Helium-4 is produced, with two protons moving off to the side
14. What is the general result of the proton-proton chain?
Answer 4 H -> He+ener-gy+other products
15. The corona of the Sun
Answer
Is visible during a solar eclipse
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