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What kind of waves are used to map Venus's surface through its clouds?
Answer
radar
Because it orbits inside Earth's orbit, Venus is classed as what type of planet?
Answer
inferior planet
Who first recorded telescopic observations of the phases of Venus in 1610?
Answer
Galileo Galilei
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Because it orbits inside Earth's orbit, Venus is classed as what type of planet?
Answer
inferior planet
Who first recorded telescopic observations of the phases of Venus in 1610?
Answer
Galileo Galilei
About how many Earth days does Venus take to orbit the Sun?
Answer
225 days
On Venus, the Sun rises in which direction?
Answer
west
The planet Venus is named for the Roman goddess of what?
Answer
love and beauty
Venus is which planet from the Sun?
Answer
second
Which library holds the bulk of Edwin Hubble's correspondence, photos, notebooks and observing logs?
Answer
Huntington Library
Which physicist visited Mount Wilson Observatory in 1931 and met Edwin Hubble?
Answer
Albert Einstein
Which asteroid was the only one discovered by Edwin Hubble?
Answer
1373 Cincinnati
Which Hubble-named law models the surface brightness of elliptical galaxies?
Answer
Hubble-Reynolds law