Final answer:
A solar prominence is a large finger-like projection of plasma that extends out from the Sun, into the corona, and often returns back to the Sun.
Step-by-step explanation:
A solar prominence is a large finger-like projection of plasma that extends out from the Sun, into the corona, and often returns back to the Sun. It is a loop of plasma that is held in place by the Sun's magnetic field. The bright and fiery appearance of solar prominences make them easily visible during total solar eclipses.
Learn more about solar prominences