Suppose you see a photo showing Jupiter half in sunlight and half in shadow (that is, a first quarter Jupiter). This photo might have been taken by ________.
A) the Arecibo radio telescope in Puerto Rico
B) the Galileo spacecraft that orbited Jupiter in the 1990s
C) the Keck telescope on Mauna Kea, Hawaii
D) the Hubble Space Telescope (which orbits Earth)
Question 2
You measure the parallax angle for a star to be 0.5 arcseconds. The distance to this star is
A) 0.5 light-year.
B) 2 parsecs.
C) 5 light-years.
D) 0.5 parsec.
E) 5 parsecs.
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Original Model of Jupiter’s Belts and Zones
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