Uranus's moon Miranda is marked by oval patterns of grooves known as _______________
Fill in the blank(s) with correct word
ovoids
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On average the moon's umbral shadow is
a. to bright to produce a total solar eclipse. b. to faint to produce a total solar eclipse. c. to wide to produce a total solar eclipse. d. too long to produce a total solar eclipse. e. to short to produce a total solar eclipse.
When one of the authors was a teenager, the rate of rotation for popular music records on a record player was 45 RPM.
a. Express this rotational velocity in rev/s.
Space telescopes looking for transiting planets look for small drops in brightness; these drops are:
A) less than 10%. B) less than 1%. C) less than 0.01%. D) less than 0.0001%. E) any size.
Which of the following is the era sometimes called the age of reptiles?
a. Mesozoic b. Paleozoic c. Cenozoic d. Phanerozoic