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Author Question: Having nothing to do with trigonometry, ________ parallaxes use the width of absorption lines to ... (Read 30 times)

darbym82

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on: Jul 27, 2018
Having nothing to do with trigonometry, ________ parallaxes use the width of absorption lines to estimate the star's luminosity and size and distance.
 
  A) bolometric
  B) photometric
  C) spectroscopic
  D) holographic
  E) videometric

Question 2

The brightest stars in aging globular clusters will be:
 
  A) core stars of planetary nebulae.
  B) massive blue main sequence stars like Spica.
  C) blue stragglers.
  D) red supergiants like Betelguese and Antares.
  E) blue supergiants like Rigel and Deneb.


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amynguyen1221

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


darbym82

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

tuate

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Reply 3 on: Yesterday
Excellent

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