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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Hoshuia Hoshuia
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6 years ago
The Very Long Baseline Array (VLBA)
 
  a. is the highest resolution optical telescope ever built.
  b. is located in Arecibo, Puerto Rico.
  c. is a matched pair of 8 m telescopes, one of which is in Chile and the other in Hawaii.
  d. is an air-borne infrared telescope.
  e. is a set of radio telescopes linked together electronically to provide very high resolution.

Question 2

Discuss a theory that explains how the corona is heated.
 
  What will be an ideal response?

Question 3

A __________ is a piece of glass with many small parallel lines etched on its surface to produce a spectrum.
 
  a. grating
  b. spectrograph
  c. photometer
  d. charge-coupled device
  e. prism
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Jango4445Jango4445
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6 years ago
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Hoshuia Author
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#2
6 years ago
Great answers, all of them were right
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