The lowest-mass stars cannot become giants because
a. they do not contain helium.
b. they rotate too slowly.
c. their convective interiors prevent the development of an inert helium core surrounded by unprocessed hydrogen.
d. they contain strong magnetic fields.
e. they never use up their hydrogen.
c
You might also like to view...
The polarization axes of glasses for 3-D viewing are
A) vertical. B) horizontal. C) at right angles to each other.
At a given location the direction of the magnetic field is the direction that the north pole of a compass points when placed at that location
Indicate whether the statement is true or false
Name the four types of reflector designs
What will be an ideal response?
The true period of revolution of any planet is
a) the synodic period. b) the sidereal period. c) given in astronomical units. d) always exactly one year.