Which spacecraft dropped a problem into the atmosphere of Jupiter in 1995?
A) Galileo
B) Cassini
C) Voyager 2
D) Pioneer 10
D
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Venus is the planet closest to Earth in mass
a. True b. False Indicate whether the statement is true or false
Pretend you are on a morning time mission on the surface of Venus. When looking out the spacepod window you are likely to see
A) the Sun rising in the West. B) the Sun rising in the East. C) fierce windstorms everywhere you look. D) thick and still smog-like cloud cover.
Which of the following is the smallest distance?
A) diameter of a typical planet B) 1 light-second C) 1 AU D) diameter of a typical star
When a light wave enters into a medium of different optical density
A) its speed and frequency change. B) its speed and wavelength change. C) its frequency and wavelength change. D) its speed, frequency, and wavelength change.