The ____________________ hypothesis suggests that the Milky Way galaxy formed from a single cloud that flattened into a disk
Fill in the blank(s) with correct word
monolithic collapse
or
top-down
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The rate of cratering in the lunar highlands shows us that
A) they must be younger than the older, darker mare. B) most of the asteroids must have hit the Moon, not the Earth. C) they range from 4.6 - 4.4 billion years old, on average. D) the largest impacts are the youngest, such as Copernicus and Tycho. E) the oldest rocks are at least as old as the mare, but some craters are much younger.
Refracting Telescope: The focal length of the objective lens of a telescope is 0.20 m and the eyepiece has a focal length of 1.6 m. What is the length of this telescope?
A. 8.0 m B. 1.4 m C. 0.90 m D. 1.6 m E. 1.8 m
Which of the following statements about the strong nuclear force are correct? (There may be more than one correct choice.)
A) It acts equally on protons and neutrons but not on electrons. B) It acts equally on protons, neutrons, and electrons. C) It has a much longer range than the electric force. D) It keeps electrons in their orbits around the nucleus. E) Because of its very short range, there is a limit to how large the nucleus can be.
Is it possible for the magnitude of displacement to be greater than the distance traveled
Indicate whether the statement is true or false