Which four moons are believed to have large bodies of liquid water?
What will be an ideal response?
Titan, Europa, Ganymede, and Enceladus
Physics & Space Science
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Which of the following most affects the wavelength of a mechanical wave moving through a medium?
a. the nature of the medium b. the amplitude c. the height of the crest d. the energy carried by the wave
Physics & Space Science
If the average velocity is non-zero over a time interval, does this mean that the instantaneous velocity is never zero over that same time interval?
A. Yes B. No
Physics & Space Science
According to Newton, the gravity of the ________ is needed to explain planetary orbits
Fill in the blank(s) with correct word
Physics & Space Science
Patches of cooler material on the Sun's surface are called
a. flares. b. prominences. c. cool spots. d. sunspots.
Physics & Space Science