Which is the latest stage of a star?
A) Helium collects within the core.
B) Carbon collects within the core.
C) The surface of the star expands into a red giant.
D) The star contracts into a blue giant.
Answer: D
You might also like to view...
Alan Guth is best known for
Two point charges of magnitude + 7.00 ?C and - 9.00 ?C are placed along the x-axis at x = 0 cm and x = 40.0 cm, respectively
Where must a third charge, q, be placed along the x-axis so that it does not experience any net force because of the other two charges? A) 0.200 m B) 2.99 m C) - 0.187 m D) - 2.99 m E) 0.187 m
During the 7-3/8 days between the new and first-quarter phases, the Moon is called a(n) ______________ moon
Fill in the blank(s) with correct word
An object is moving with constant non-zero velocity on the +x axis. The velocity versus time graph of this object is
A) a horizontal straight line. B) a vertical straight line. C) a straight line making an angle with the time axis. D) a parabolic curve. E) a hyperbolic curve.