If a scientist in the distant Andromeda Galaxy studies the hydrogen gas in that galaxy, they will measure ________ what a scientist in our galaxy would measure, studying hydrogen gas
In the Milky Way.
A) a larger mass per atom than
B) a smaller mass per atom than
C) a different set of spectral lines than
D) different possible chemical bonds with other elements than
E) the same properties as

Question

Quizplus · Accepted Answer

The properties of hydrogen, such as its mass per atom and spectral lines, are universal and do not change based on location in the universe.

If a Scientist in the Distant Andromeda Galaxy Studies the Hydrogen