EAPS 105: Asynchronous Quiz 6
Quiz 6: Unit 3. Part 5. Question 6. Watch the Unit 3 Part 5 lecture video and answer the following question: Which of the following are the two parameters used to measure the mass of a planet? A) The orbital radius and angular velocity of an orbiting moon B) The orbital radius and mass of an orbiting moon C) The angular velocity and diameter of an orbiting moon D) The angular velocity and mass of an orbiting moon
A) The orbital radius and angular velocity of an orbiting moon
Quiz 6: Unit 3. Part 5. Question 4. Watch the Unit 3 Part 5 lecture video and answer the following question: What happens if you launch from a planet with very little angular velocity? A) You crash back onto the planet B) You enter into a circular orbit. C) You travel in a highly elliptical orbit that takes you far from the planet and then close again. D) You leave the planet's orbit.
A) You crash back onto the planet
Quiz 6: Unit 3. Part 5. Question 3. Watch the Unit 3 Part 5 lecture video and answer the following question: What force besides gravity controls the orbit of a planet or moon? A) centrifugal B) moment of inertia C) magnetism D) solar wind
A) centrifugal
Quiz 6: Unit 3. Part 6. Question 8. Watch the Unit 3 Part 6 lecture video and answer the following question: What is it called when two or more bodies orbit at multiples of the same orbital period? A) Tidal locking B) An orbital resonance C) Orbital synchronization D) Paired orbits
B) An orbital resonance
Quiz 6: Unit 3. Part 4. Question 2. Watch the Unit 3 Part 4 lecture video and answer the following question: How do we explain why stars rotate around their galactic centers faster than expected? A) Dark energy B) Dark matter C) Dark gravity D) Special Relativity
B) Dark matter
Quiz 6: Unit 3. Part 4. Question 1. Watch the Unit 3 Part 4 lecture video and answer the following question: How was the existence of Neptune first inferred? A) It was picked up as a moving object in photos of the night sky on two different nights. B) The Greeks found it as it is easily visible by the naked eye. C) By the manner in which Uranus' orbit was not following Kepler's 2nd law D) It was required to explain why Pluto orbits at a high inclination from the solar system ecliptic.
C) By the manner in which Uranus' orbit was not following Kepler's 2nd law
Quiz 6: Unit 3. Part 6. Question 9. Watch the Unit 3 Part 6 lecture video and answer the following question: During the Grand Tack, what direction did Jupiter and Saturn move? A) Toward the Sun B) Away from the Sun C) First toward then away from the Sun D) First away then toward the Sun
C) First toward then away from the Sun
Quiz 6: Unit 3. Part 5. Question 5. Watch the Unit 3 Part 5 lecture video and answer the following question: What is the shape of the orbit that represent the boundary between an object being in a stable orbit around a host object and not being in orbit? A) Circle (e = 0) B) Ellipse (e < 1) C) Parabola (e = 1) D) Hyperbolic (e > 1)
C) Parabola (e = 1)
Quiz 6: Unit 3. Part 6. Question 7. Watch the Unit 3 Part 6 lecture video and answer the following question: What is a rogue planet? A) A terrestrial planet with a hydrogen atmosphere B) A gas giant with a rocky core C) A planet whose orbit around its star has moved from its original orbit. D) A planet that no longer orbits its star.
D) A planet that no longer orbits its star.
Quiz 6: Unit 3. Part 6. Question 10. Watch the Unit 3 Part 6 lecture video and answer the following question: Which are some of the possible consequences of the Grand Tack? A) Mars evolved to be a relatively small planet. B) There is relatively little mass in the asteroid belt. C) The solar system may have lost one or more planets. D) All the above
D) All the above
