ASTR 1101 CLAYTON QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY
GRADED A+
How far out does the camera move with each step? Ans✓✓✓a factor of
10
How many orders of magnitude in size between the center of the atom
and furthest reaches of the Universe? Ans✓✓✓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? Ans✓✓✓two
How does the distance covered by light in one second compare to the
size of the Moon's orbit? Ans✓✓✓it is slightly smaller
About how big is the Milky Way galaxy? Ans✓✓✓100,000 light years
How is the solar system in Nightfall different from ours? Ans✓✓✓it has
6 suns, one planet and one moon
What happens every 2,500 years? Ans✓✓✓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?
Ans✓✓✓thousands of stars
Why do the astronomers think there is an unseen Moon orbiting their
planet? Ans✓✓✓there is an unexplained perturbation in the orbit of their
planet
Why are there so many stars visible from their planet compared to
Earth? Ans✓✓✓their planet is inside a star cluster
How many years ago was Earth thought to have formed? Ans✓✓✓4.5
billion years ago
Where did all the chemical elements in our solar system come from?
Ans✓✓✓they were formed inside of stars thay lived and died before our
Solar System formed
How is our moon thought to have formed? Ans✓✓✓it was formed after
the earth collided with another planet.
What is the scientific purpose of the Mars Rover? Ans✓✓✓they are
looking for evidence of water on Mars.
What is the energy source of the Spirit and Opportunity Mars rovers?
Ans✓✓✓solar panels
DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY
GRADED A+
How far out does the camera move with each step? Ans✓✓✓a factor of
10
How many orders of magnitude in size between the center of the atom
and furthest reaches of the Universe? Ans✓✓✓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? Ans✓✓✓two
How does the distance covered by light in one second compare to the
size of the Moon's orbit? Ans✓✓✓it is slightly smaller
About how big is the Milky Way galaxy? Ans✓✓✓100,000 light years
How is the solar system in Nightfall different from ours? Ans✓✓✓it has
6 suns, one planet and one moon
What happens every 2,500 years? Ans✓✓✓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?
Ans✓✓✓thousands of stars
Why do the astronomers think there is an unseen Moon orbiting their
planet? Ans✓✓✓there is an unexplained perturbation in the orbit of their
planet
Why are there so many stars visible from their planet compared to
Earth? Ans✓✓✓their planet is inside a star cluster
How many years ago was Earth thought to have formed? Ans✓✓✓4.5
billion years ago
Where did all the chemical elements in our solar system come from?
Ans✓✓✓they were formed inside of stars thay lived and died before our
Solar System formed
How is our moon thought to have formed? Ans✓✓✓it was formed after
the earth collided with another planet.
What is the scientific purpose of the Mars Rover? Ans✓✓✓they are
looking for evidence of water on Mars.
What is the energy source of the Spirit and Opportunity Mars rovers?
Ans✓✓✓solar panels
