Our galaxy, the Andromeda Galaxy, and about 40 smaller galaxies are members of ________
Fill in the blank(s) with correct word
the Local Group.
Physics & Space Science
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Which of these three produces the greatest tidal effect on you right now?
A) the Moon B) the Sun C) the Earth
Physics & Space Science
If we could see our own galaxy from 2 million light-years away, it would appear ________
A) as a faintly glowing band of light stretching all the way around the sky B) like a single, dim star C) as a flattened disk with a central bulge and spiral arms D) to fill the sky with widely spaced stars
Physics & Space Science
Amy, Brad, and Cate are walking (or running) along a straight line as shown below
In the water flow analogy with an electric circuit the pressure in the fluid circuit is analogous to ________ in the electric circuit.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science