What are rays?
A. areas with no craters at all
B. mountainous regions
C. canyons, caused by lava flows or crustal cracking
D. long, light streaks of pulverized rock radiating outward from craters
Answer: D
You might also like to view...
Which of the following statements is true of stars?
A) Stars should have very low densities to support their own weight. B) Stars should have very low temperatures to support their own weight. C) The pressure of a gas near the surface of a star does not need to be high for stability. D) The temperature of a gas near the center of a star does not need to be high for stability.
Some massive stars only live a few million years
Indicate whether the statement is true or false
The period-luminosity relationship is primarily used for main-sequence stars
a. True b. False Indicate whether the statement is true or false
Why do white dwarfs have high temperatures?
A. chemical reactions on their surfaces B. heat left over from their formation C. nuclear fusion in their cores D. frictional heating from motions inside the white dwarfs