What two properties of a planet affect the gravity we feel on its surface?
A: radius and distance from the Sun
B: radius and temperature
C: mass and distance from the Sun
D: mass and radius
E: mass and temperature - CORRECT ANSWER D
Two planets have the same radius. If Planet A is 5 ti...
Astro 7n PSU Exam 1 Review Questions &
Right Answers 2024/25
What two properties of a planet affect the gravity we feel on its surface?
A: radius and distance from the Sun
B: radius and temperature
C: mass and distance from the Sun
D: mass and radius
E: mass and temperature - CORRECT ANSWER D
Two planets have the same radius. If Planet A is 5 times more massive than Planet B, how does gravity
differ on the surfaces of the two planets?
A: gravity is 5 times stronger on Planet B
B: gravity is 5 times stronger on Planet A
C: gravity is 25 times stronger on Planet A
D: gravity is 25 times stronger on Planet B
E: gravity is equal on Planet A and Planet B - CORRECT ANSWER B
Say that there were a planet X in our Solar System with a mass 1/4 the mass of Earth and a radius 1/2 the
radius of Earth. How will the gravity on its surface compare to the surface gravity of Earth?
A: surface gravity on planet X is 2 times weaker than on Earth
B: surface gravity on planet X is 2 times stronger than on Earth
C: surface gravity on planet X is the same as on Earth
D: surface gravity on planet X is 8 times stronger than on Earth
E: surface gravity on planet X is 4 times weaker than on Earth - CORRECT ANSWER C
A planet in a nearly circular orbit with its rotation axis tilted by 5 degrees relative to its orbital plane
around its star would ...
A: have longer days and nights than those of Earth
,B: have very severe seasons compared to Earth
C: have shorter years than those of Earth
D: have shorter days and nights than those of Earth
E: have seasons that are not very different from each other as compared to Earth's. - CORRECT ANSWER
E
5. The rotation axis of the Earth is ... A: tilted so that it is always pointed directly at the Sun
B: is sometimes parallel and sometimes perpendicular to the axis of the Earth's orbit around the Sun. C:
tilted at about 23 degrees relative to the axis of the Earth's orbit around the Sun.
D: perpendicular to the axis of the Earth's orbit around the Sun.
E: parallel to the axis of the Earth's orbit around the Sun. - CORRECT ANSWER C
In the diagram above, what season and planet is being represented by the red X on the planet on the left
in orbit around the Sun?
A: winter on Earth
B: summer on Earth
C: winter on Venus
D: winter on Uranus
E: summer on Uranus - CORRECT ANSWER E
When is the waning gibbous moon highest in the sky?
A: about 9:00am
B: about 3:00am
C: about noon
D: about midnight
E: about 3:00pm - CORRECT ANSWER B
What phase is the Moon in, when observed by the person standing on the Earth in the diagram above?
A: New
B: Third Quarter
, C: Waning Gibbous
D: Full
E: First Quarter - CORRECT ANSWER B
At what time will the Moon set on the day of a Solar eclipse?
A: Sunrise.
B: Noon.
C: Sunset.
D: Midnight.
E: It will not set at all. It will be up for 24 hours. - CORRECT ANSWER C
Stars that are in the same constellation ...
A: appear in all different directions around the sky.
B: are all at close to the same distance from us.
C: are likely to be at very different distances from us.
D: are all in our Solar System.
E: are all in orbit around the same larger star. - CORRECT ANSWER C
The "North Star" is a star in the constellation of Ursa Minor, which lies just above the North pole of
Earth. Which of the following is true? A: Ursa Minor is a Zodiac constellation in the winter but not in the
summer.
B: Ursa Minor is a Zodiac constellation in the summer but not in the winter.
C: Ursa Minor is not a Zodiac constellation.
D: The Zodiac constellations are located near the axis below the South pole.
E: Ursa Minor is a Zodiac constellation all year. - CORRECT ANSWER C
A particular Zodiac constellation is high in the sky at midnight in April. Where will it be in October?
A: high in the sky at midnight
B: near the Sun in the daytime sky
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 Victoria108. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
