__________ are produced when two galaxies pass near each other and pull large streamers of stars, gas, and dust away from the galaxies
a. Ring galaxies
b. Spiral galaxies
c. Rotation curves
d. Tidal tails
e. Irregular galaxies
D
Physics & Space Science
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A chunk of metal has a mass of 1 kg on Earth. If the same chunk were on the Moon its mass would be
A) less. B) the same. C) more.
Physics & Space Science
A force on an object is given by F(x) = (2.00 N/m)x - (3.00 N/m3)x3. What is a potential energy function U(x) for this conservative force?
What will be an ideal response?
Physics & Space Science
Which was the only biology experiment on the Viking landers which gave a positive result?
A) Labeled Release B) Gas Chromatograph/Mass Spectrometer C) Carbon Assimilation D) Gas Exchange
Physics & Space Science
Define and distinguish among the terms speed, velocity, and acceleration
What will be an ideal response?
Physics & Space Science