Eighteen days past new moon, the Moon's phase is waning gibbous.
Indicate whether the statement is true or false
Question 2
Studies of solar vibrations have revealed that
A) the Sun vibrates only on the surface.
B) neutrinos from the solar core reach the solar surface easily.
C) the Sun generates energy by nuclear fusion.
D) they are caused by processes similar to those that create earthquakes.
E) our mathematical models of the solar interior are fairly accurate.