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doit_the_clown doit_the_clown
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7 years ago
The most accurate stellar parallax measurements for distances to the majority of stars in our neighborhood of the universe have been made by
A)   the Hubble Space Telescope.
B)   Bessel, in 1838, since no measurements since then have matched his precision.
C)   the Hipparchos satellite.
D)   the Very Long Baseline Array of radio telescopes.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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discovererdiscoverer
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7 years ago
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