Exam (elaborations)
Astro 1 (PSU) exam 2 (2024 / 2025) Actual Questions and Verified Answers, 100% Guarantee Pass
- Course
- Institution
Astro 1 (PSU) exam 2 (2024 / 2025) Actual Questions and Verified Answers, 100% Guarantee Pass
[Show more]
Content preview
Astro 1 (PSU) exam 2.pdf file:///C:/Users/HP/Desktop/dddd/Astro%201%20(PSU)%20exam%202ASTRO 1 (PSU) EXAM 2 Questions & Verified
Answers
1. Copernicus
Answer Had idea of sun centered universe (heliocentric)
2. Keplers 1st law
Answer Planets revolve around the sun in elliptical orbits w/ sun at the focus
3. What best describes orbit of earth around the sun
Answer Ellipse that is close to a circle
4. Keplers 2nd law supports idea that when a plant is closer to the sun its speed is
greater - True or False
Answer True
1/
1 of 23 9/27/2024, 4:22
,Astro 1 (PSU) exam 2.pdf file:///C:/Users/HP/Desktop/dddd/Astro%201%20(PSU)%20exam%202
5. How did Kepler originally state the 2nd law
Answer A line joining a plant and sun sweeps out equal areas in equal intervals of time
6. Keplers 3rd law
Answer The square of a time period for an orbit of a planet is proportional to the cube of its
average distance from the sun. ( P^2 = A^3)
7. Saturn is 10 times as far from the sun as earth, how many times does earth orbit the
sun in time Saturn does once
Answer 30 times (30 years)
8. Besides discovery of moons orbit Jupiter, what else did Galileo find to prove earth wasn't
at center of universe?
Answer Phases of Venus
9. What does "P" represent in Kepler's 3rd law
Answer Orbital period
2/
2 of 23 9/27/2024, 4:22
,Astro 1 (PSU) exam 2.pdf file:///C:/Users/HP/Desktop/dddd/Astro%201%20(PSU)%20exam%202
10. Of the 4 Galilean moons which is closer to Jupiter?
Answer "IO"
11. Which moon of Jupiter is believed to have liquid beneath ice?
Answer "Europa"
12. Which moon of Jupiter is largest?
Answer "Ganymede"
13. Mass of Jupiter relative to earth
Answer 340 earth masses
14. Nearest planet to the sun?
Answer Mercury
15. Temp of Mercury
Answer 80 kelvin (-290 F)
3/
3 of 23 9/27/2024, 4:22
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BESTGOODIES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78310 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now