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Home Q & A Board Science-Related Homework Help Physics Astronomy
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dundlermuffin dundlermuffin
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6 years ago
Given that the planet orbiting the nearby star 51 Pegasi is about 20X larger than the Earth, but 400X more massive, on that world you would weigh
 
  A) the same as you do here.
  B) twice as much as you do here.
  C) half as much as you do here.
  D) 20X more that you do here.
  E) 400X more than you do here.

Question 2

How many moons does Mars have?
 
  A) none
  B) one
  C) two
  D) three
  E) four

Question 3

How are we able to determine the chemical composition and temperature of any visible object?
 
  What will be an ideal response?

Question 4

Suppose you look by eye at a star near the edge of a dusty interstellar cloud. The star will look ________ than it would if it were outside the cloud.
 
  A) dimmer and bluer
  B) more redshifted
  C) brighter and redder
  D) dimmer and redder

Question 5

Observations of young stars (as well as theory) tell us that when the Sun was young the solar wind
 
  A) was weaker than it is today.
  B) was stronger than it is today.
  C) was about the same strength as it is today.
  D) was nonexistent.
  E) blew outward only along the Sun's poles.

Question 6

In what ways is Pluto like other Kuiper-belt objects?
 
  What will be an ideal response?
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Michael876Michael876
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6 years ago
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dundlermuffin Author
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#2
6 years ago
I know this sounds cliche, but I was thinking the same thing for each of these. Thanks for confirming Slight Smile
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#3
6 years ago
I'm sure Wink Face Thanks for your honesty
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