4 Written questions
4 Multiple choice questions
hot gases pass through cooler gases and absorb wavelengths of the spectrum. It shows up as dark lines on a colored background.
objects that are closer seem to move more than objects farther away
an object that separates visible light into its different wavelengths
groups of stars that form a picture or pattern
3 True/False questions
absolute magnitude → how bright a star really is.
emission lines →
spectrum of bright lines on a dark background/given off by elements heated to a gas/how the color is put in fireworks
visible light separated into its different wavelengths/the rainbow