The ecliptic is defined as the
What will be an ideal response?
line traced in our sky by the Sun over one year against the background stars
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You are in a rocket traveling away from the Sun at 0.95c. You measure the speed of light from the Sun to be
A) 0.05c. B) 0.50c. C) 0.95c. D) 1.0c. E) cannot be determined without knowing the frequency of the light
The energy of an oscillating atom in a blackbody can be a any value within a certain limited range
Indicate whether the statement is true or false
Two identical particles, each with a mass of 2.0 ?g and a charge of 25 nC, are released simultaneously from rest when the two are 4.0 cm apart. What is the speed of either particle at the instant when the two are separated by 10 cm?
A. 7.3 m/s B. 9.8 m/s C. 9.2 m/s D. 6.5 m/s E. 4.6 m/s
An astronomer named _______________ used globular clusters to locate the center of the galaxy. (enter last name only)
Fill in the blank(s) with correct word