ASTR 1101 Clayton Questions with Correct
Answers | Updated (100% Correct Answers)
How far out does the camera move with each step? Answer: a
factor of 10
How many orders of magnitude in size between the center of the
atom and furthest reaches of the Universe? Answer: 40
Powers of Ten goes out to a distance of 100 million Light Years.
How many more steps (orders of magnitude) would it have to go to
encompass the whole known Universe? Answer: two
How does the distance covered by light in one second compare to
the size of the Moon's orbit? Answer: it is slightly smaller
About how big is the Milky Way galaxy? Answer: 100,000 light years
How is the solar system in Nightfall different from ours? Answer: it
has 6 suns, one planet and one moon
What happens every 2,500 years? Answer: All the Suns are below
the horizon except for one which is eclipsed by the moon
What do people see that is frightening when it gets dark? Answer:
thousands of stars
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Why do the astronomers think there is an unseen Moon orbiting
their planet? Answer: there is an unexplained perturbation in the
orbit of their planet
Why are there so many stars visible from their planet compared to
Earth? Answer: their planet is inside a star cluster
How many years ago was Earth thought to have formed? Answer:
4.5 billion years ago
Where did all the chemical elements in our solar system come
from? Answer: they were formed inside of stars thay lived and died
before our Solar System formed
How is our moon thought to have formed? Answer: it was formed
after the earth collided with another planet.
What is the scientific purpose of the Mars Rover? Answer: they are
looking for evidence of water on Mars.
What is the energy source of the Spirit and Opportunity Mars
rovers? Answer: solar panels
How do the rovers get around? Answer: they have wheels
What technical problem threatened the success of the mission?
Answer: radio signals from the Huygn's probe could not be
received because of the Doppler Effect
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