The cosmic horizon is the distance beyond which there are no more stars or galaxies.
Answer the following statement true (T) or false (F)
False
You might also like to view...
Constant Acceleration Kinematics: A bicyclist starts a timed race at 6.0 mi/h. In order to win, he must average 21 mi/h. Assuming constant acceleration from the start, how fast must he be traveling at the end of the race?
A. 36 mi/h B. 30 mi/h C. 24 mi/h D. 42 mi/h
The allowed shapes for the orbits of objects responding only to the force of gravity are
A) ellipses, parabolas, and hyperbolas. B) ellipses only. C) ellipses, spirals, and parabolas. D) circles and ellipses.
What causes the image of a star to "twinkle" or scintillate?
A. a purely physiological reaction in the eye B. the flickering fusion process in the stars C. irregularities in the density of layers of Earth's atmosphere, rapidly refracting the light D. None of these choices are correct.
When a proton moves in a direction of the electric field, its potential increases but its potential energy decreases
Indicate whether the statement is true or false