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Author Question: One advantage of the Hubble Space Telescope over ground based ones is that A) it can make better ... (Read 87 times)

roselinechinyere27m

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on: Jul 27, 2018
One advantage of the Hubble Space Telescope over ground based ones is that
 
  A) it can make better observations of the ozone layer.
  B) it can better focus X-ray images.
  C) its adaptive optics controls atmospheric blurring better.
  D) in orbit, it can operate close to its diffraction limit at visible wavelengths.
  E) it is larger than any Earth-based telescopes.

Question 2

The Hipparcos data give us
 
  A) parallaxes to the nearest galaxies.
  B) parallaxes as small as 0.005.
  C) an accurate distance to the Moon.
  D) distances to about 100 billion stars, practically everything in the Milky Way Galaxy.
  E) information on only the 6,000 brightest stars.


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abro1885

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

D

Answer to Question 2

B


roselinechinyere27m

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

dyrone

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Reply 3 on: Yesterday
Wow, this really help

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