Author Question: Shapley used the distribution of globular clusters in our galaxy to determine that the Sun was not ... (Read 70 times)

nummyann · **on:** Jul 27, 2018

Shapley used the distribution of globular clusters in our galaxy to determine that the Sun was not at the center of the Milky Way.

Indicate whether the statement is true or false

Question 2

When an electron in a hydrogen atom drops from the second to the first excited energy state it emits a bright red emission line called hydrogen alpha.

Indicate whether the statement is true or false