What is the shape of the event horizon?
a. circle b. line
c. sphere d. square
c
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A rainbow shows separate colors of the spectrum because, at raindrop surfaces,
A. blue light is bent more than red light. B. all colors are bent the same, hence the separation. C. green light is bent more than blue light. D. red light is bent more than green light.
Which of the following is ordered correctly from smallest to largest?
a. arc minute, arc second, degree b. degree, arc minute, arc second c. arc minute, degree, arc second d. arc second, arc minute, degree
A. A cubical surface oriented so that two opposite faces are perpendicular to the y axis. B. A spherical surface. C. A cylindrical can-like surface oriented with its central axis perpendicular to the y axis. D. A cylindrical can-like surface oriented with its central axis parallel to the y axis. E. A cone-like surface oriented with its central axis parallel to the y axis.
What are the Aten asteroids?
What will be an ideal response?