Author Question: Which of the following is evidence that convection occurs in the layers just below the Sun's ... (Read 49 times)

biggirl4568 · **on:** Jul 27, 2018

Which of the following is evidence that convection occurs in the layers just below the Sun's photosphere?

a. Sunspots appear to be cooler than their surroundings.
b. Solar prominences lift large loops of gas into the chromosphere and corona.
c. The solar wind emits large numbers of charged particles.
d. The Sun rotates differentially.
e. The centers of granules are hot and moving upward away from the center of the Sun.

Question 2

In Ptolemy's view of the universe, a planet moves on an epicycle whose center moves around the Earth on the deferent circle.

a. Correct
b. FALSE; Ptolemy put the Sun at the center.
c. FALSE; The planet stays on the deferent circle.
d. FALSE; Earth is at the center of the epicycle.
e. FALSE; Both c and d are correct.