Author Question: The heliocentric model was actually first proposed by A) Aristotle. B) Archimedes. C) ... (Read 126 times)

abern · **on:** Jul 27, 2018

The heliocentric model was actually first proposed by

A) Aristotle.
B) Archimedes.
C) Aristarchus.
D) Alexander the Great.
E) Hipparchus.

Question 2

When we glimpse the chromosphere at the start and end of totality, its color is

A) green (the famous flash).
B) yellow, like the photosphere below it.
C) red, due to ionized hydrogen at lower pressure.
D) blue, due to the ionization of nitrogen by the magnetic fields.
E) white from the moonlight.