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ASTRO 205 QUIZ 3 QUESTIONS AND ANSWERS RATED A.
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ASTRO 205 QUIZ 3 QUESTIONS AND ANSWERS RATED A.
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ASTRO 205 QUIZ 3 QUESTIONS ANDANSWERS RATED A.
1. In the (incorrect) Ptolemaic model, circles upon circles were used to
explain the retrograde motion of planets. At what point(s) is the
planet undergoing retrograde motion?
Verified Answer -Point 2
2. What is the most significant difference between the Ptolemaic and
Copernican models of the Solar System?
Verified Answer -Earth at the centre (geocentric) vs Sun at the centre
(heliocentric).
3. Which is NOT one of Kepler's Three Laws of Planetary Motion?
4. 1-The square of a planet's orbital period is proportional to the cube
of the length of the average orbital distance.
5. 2-A planet's orbit around the Sun cannot be a perfect circle.
6. 3-The closer to the Sun a planet is, the faster it moves.
7. 4-The orbits of planets around the Sun are ellipses.
Verified Answer -A planet's orbit around the Sun cannot be a perfect
circle.
8. When we say that a comet has a highly eccentric orbit, what do we
mean?
Verified Answer -At some points on its orbit, the comet is much
closer to the Sun than at other times.
9. an asteroid orbiting the Sun at different positions in its orbit. Imagine
that you observe the asteroid orbit the Sun for one week starting at
each position shown. Rank the images on how fast the asteroid is
moving at each position, from slowest (#1) to fastest (#4).
Verified Answer -furthest from earth is slowest than closest is faster
, 10. Find the average orbital distance (in AU) of an asteroid that
orbits the Sun every 180.8 years.
Verified Answer -32.0
11. Find the orbital period (in years) of an asteroid that orbits the
Sun at an average distance (semimajor axis) of 4.33 AU.
Verified Answer -9.01
12. Study this diagram, which shows why we see phases of
Venus, as first observed by Galileo. When should we expect to see a
full Venus in our night sky?
Verified Answer -Never
13. Which of the following claims is testable and falsifiable?
14. 1 -The final thoughts of Galileo Galilei were about his hope for
the future of scientific discovery.
15. 2-God exists.
16. 3-There is a parallel universe full of tiny unicorns that does not
interact with our Universe in any way.
17. 4-People who become astronauts are more likely to have been
born when the Sun was in the constellation of Scorpio.
18. 5-The best flavour of ice cream is strawberry.
Verified Answer -People who become astronauts are more likely to
have been born when the Sun was in the constellation of Scorpio.
19. Match each word to its scientific meaning. Don't get fooled by
the everyday meanings... those should remain unmatched!
1- bias
2- feedback
20. 3-hypothesis
21. 4- theory
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