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Home Q & A Board Science-Related Homework Help Physics Astronomy
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dixoncsk2062 dixoncsk2062
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6 years ago
Which of the following objects is considered to possibly contain a black hole?
 
  a. the central star of the Crab nebula
  b. the Orion nebula.
  c. LMC X-3
  d. Algol
  e. PSR 1257+12

Question 2

The ____________________ of a telescope is determined by the size of the primary lens or mirror.
 
  Fill in the blank(s) with correct word

Question 3

An 05 star has an H line present in its spectra. What color is the line?
 
  a. red b. no color as the line is in the UV band
  c. blue d. no color as the line is in the infrared band

Question 4

The peculiar system SS 433 I. is emitting beams of energy and matter. II. is producing a spectrum with both a red and a blue shift. III. probably contains an accretion disk. IV. is the result of a planetary nebula.
 
  a. I
  b. III
  c. II & III
  d. I, II, & III
  e. I, II, III, & IV
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DuhitzlitzyDuhitzlitzy
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6 years ago
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dixoncsk2062 Author
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6 years ago
Smiling Face with Open Mouth that's the expression my face made when I got the notification email
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6 years ago
glad I put that smile on your face Happy Dummy
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