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PSU Astro 7N Exam 2 Actual 2024 Questions with 100% Correct Answers | Verified | Latest Update
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PSU Astro 7N Exam 2 Actual 2024 Questions with 100% Correct Answers | Verified | Latest Update
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PSU Astro 7N Exam 2.pdf file:///C:/Users/HP/Desktop/dddd/PSU%20Astro%207N%20Exam%202PSU Astro 7N Exam 2 Questions & Answers
1. What gases make up the sun?
ANS Hydrogen and Helium
2. What causes sunspots?
ANS Magnetic Activity
3. What is made from 4 protons during fusion in the sun?
ANS Helium-4
4. Step 1 of P-P Chain
What forms when two protons collide at very high speeds?
ANS Deuterium Nucleus (and released energy)
5. Step 2 of P-P Chain
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,PSU Astro 7N Exam 2.pdf file:///C:/Users/HP/Desktop/dddd/PSU%20Astro%207N%20Exam%202
When deuterium and a proton collide it makes this
ANS Helium-3 Nucleus
6. Step 3 of P-P Chain
Two Helium-3 nuclei combine to make this
ANS Helium-4 Nucleus (and 2 protons and energy)
7. 1 proton and 1 neutron bound together
ANS Deuterium
8. 2 protons and 1 neutron
ANS Helium-3
9. 2 protons and 2 neutrons
ANS Helium-4
10. Central part of sun
High density and temperature Nuclear
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,PSU Astro 7N Exam 2.pdf file:///C:/Users/HP/Desktop/dddd/PSU%20Astro%207N%20Exam%202
reactions occur here Gamma rays are
produced here
ANS Core
11. Region in sun
Photons are re-absorbed and re-emitted
ANS Radiative Zone
12. Region of the sun where gases circulate
Light takes a week to get through
ANS Convective Zone
13. The surface of the sun that we see
ANS Photosphere
14. Red/orange
We see through it
ANS Chromosphere
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