Starry Night C GRADE A Q&A
What evidence suggests that the inner planets were formed from the same rotating
cloud of gas and dust? - (correct answer)The planets orbit the Sun in the same direction
and in the same plane
From the view in the main window, which of the inner planets have the most eccentric
orbits? - (correct answer)Mercury and Mars
What is the length of a Mercury day in Earth days? - (correct answer)176 Earth days
Most planets in our solar system rotate in a counter-clockwise direction. What is
unusual about the rotation of Venus? - (correct answer)Venus rotates clockwise
Mars has 2 small moons orbiting around it. Both are tiny and irregular in shape and
believed to be captured asteroids. What are the approximate orbital periods of Phobos
and Deimos respectively? - (correct answer)Phobos: 7 hours 35 mins
Deimos: 1 day 6 hours
Which planets are found in the Sun's habitable zone? - (correct answer)Earth, Venus
True or False:
The eccentricity of the outer planets orbits is close to zero - (correct answer)True
Approximately how long does it take Jupiter to complete one rotation? - (correct
answer)10 hours
What is the minimum distance in kilometers from Saturn that a satellite will not be torn
apart by tidal forces? - (correct answer)147,000 km
What evidence suggests that the inner planets were formed from the same rotating
cloud of gas and dust? - (correct answer)The planets orbit the Sun in the same direction
and in the same plane
From the view in the main window, which of the inner planets have the most eccentric
orbits? - (correct answer)Mercury and Mars
What is the length of a Mercury day in Earth days? - (correct answer)176 Earth days
Most planets in our solar system rotate in a counter-clockwise direction. What is
unusual about the rotation of Venus? - (correct answer)Venus rotates clockwise
Mars has 2 small moons orbiting around it. Both are tiny and irregular in shape and
believed to be captured asteroids. What are the approximate orbital periods of Phobos
and Deimos respectively? - (correct answer)Phobos: 7 hours 35 mins
Deimos: 1 day 6 hours
Which planets are found in the Sun's habitable zone? - (correct answer)Earth, Venus
True or False:
The eccentricity of the outer planets orbits is close to zero - (correct answer)True
Approximately how long does it take Jupiter to complete one rotation? - (correct
answer)10 hours
What is the minimum distance in kilometers from Saturn that a satellite will not be torn
apart by tidal forces? - (correct answer)147,000 km
