Astro 1 Exam 2 PSU EXAM 2025 UPDATE Verified Questions And
Astro 1 Exam 2 PSU
Answers | Guaranteed Success!!
Study online at https://quizlet.com/_5gvmk5
1. What is the order of the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and
with distance from the Sun? Neptune.
2. Which planet has the highest Venus
surface temperature?
3. Which planet has the largest Jupiter
mass?
4. Which planet has the largest tilt Uranus
of its spin axis?
5. Which planet has the largest Mercury
temperature variations?
6. Which planet rotates back- Venus
wards?
7. Which planet has polar ice Mars
caps?
8. How many moons does Mer- 0
cury have?
9. How many moons does Venus 0
have?
10. How many moons does Mars 2
have?
11. Which planets have no atmos- Mercury
phere?
12. Titan
1/8
, Astro 1 Exam 2 PSU
Study online at https://quizlet.com/_5gvmk5
Which moon has a thick atmos-
phere in the solar system?
13. Which 3 factors determine if Planet mass, Gas mass, Gas Tempiture
a planet holds onto an atmos-
phere?
14. What is the primary reason its dense atmosphere traps heat in a runaway version of the
why Venus is much hotter than greenhouse effect that warms Earth.
Earth?
15. Who discovered Pluto? Clyde Tombaugh in 1930
16. How was Pluto discovered? Astronomers noticed that the orbits of Neptune and Uranus
were being affected by the gravity of an unknown object in
the Solar System.
17. What is the distance of Pluto 30 to 50 AU
from the Sun in AUs?
18. What is pluto's Orbital period? 248 years
19. Which spacecraft visited Pluto? New Horizons
20. How does the orbit of Pluto it's highly elliptical and titled
compare to the 8 planets?
21. Why isn't Pluto considered a it lacks enough mass and gravity to clear its neighborhood
planet? and is not a moon.
22. What is the official classification dwarf planet
of Pluto now?
23. Eris and Ceres, Vesta
2/8
Astro 1 Exam 2 PSU
Answers | Guaranteed Success!!
Study online at https://quizlet.com/_5gvmk5
1. What is the order of the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and
with distance from the Sun? Neptune.
2. Which planet has the highest Venus
surface temperature?
3. Which planet has the largest Jupiter
mass?
4. Which planet has the largest tilt Uranus
of its spin axis?
5. Which planet has the largest Mercury
temperature variations?
6. Which planet rotates back- Venus
wards?
7. Which planet has polar ice Mars
caps?
8. How many moons does Mer- 0
cury have?
9. How many moons does Venus 0
have?
10. How many moons does Mars 2
have?
11. Which planets have no atmos- Mercury
phere?
12. Titan
1/8
, Astro 1 Exam 2 PSU
Study online at https://quizlet.com/_5gvmk5
Which moon has a thick atmos-
phere in the solar system?
13. Which 3 factors determine if Planet mass, Gas mass, Gas Tempiture
a planet holds onto an atmos-
phere?
14. What is the primary reason its dense atmosphere traps heat in a runaway version of the
why Venus is much hotter than greenhouse effect that warms Earth.
Earth?
15. Who discovered Pluto? Clyde Tombaugh in 1930
16. How was Pluto discovered? Astronomers noticed that the orbits of Neptune and Uranus
were being affected by the gravity of an unknown object in
the Solar System.
17. What is the distance of Pluto 30 to 50 AU
from the Sun in AUs?
18. What is pluto's Orbital period? 248 years
19. Which spacecraft visited Pluto? New Horizons
20. How does the orbit of Pluto it's highly elliptical and titled
compare to the 8 planets?
21. Why isn't Pluto considered a it lacks enough mass and gravity to clear its neighborhood
planet? and is not a moon.
22. What is the official classification dwarf planet
of Pluto now?
23. Eris and Ceres, Vesta
2/8
