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Home Q & A Board Science-Related Homework Help Physics Astronomy
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dakota98 dakota98
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6 years ago
A marble has a diameter of 2 cm. At what distance would the marble have an angular diameter of 1 arc second.
 
  a. 4.1 cm
  b. 4.1 miles
  c. 4.1 m
  d. 4.1 ft
  e. 4.1 km

Question 2

The star Algol is
 
  a. an astrometric binary.
  b. a spectroscopic binary.
  c. a visual binary.
  d. an eclipsing binary.
  e. both b and d

Question 3

The moon has an angular diameter of 0.5. What is the moon's angular diameter in minutes of arc?
 
  a. 0.5
  b. 30
  c. 50
  d. 1800
  e. 60.5

Question 4

Stars on the main sequence with the greatest mass
 
  a. are spectral type M stars.
  b. are spectral type O stars.
  c. are located at the bottom of the main sequence in the HR diagram.
  d. have masses very similar to the sun.
  e. both b and c
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leahx3leahx3
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dakota98 Author
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6 years ago
Just got PERFECT on my quiz
jbag1237
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Yesterday
Smart ... Thanks!
Fleury
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2 hours ago
Thanks
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