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.
- how bright a star really is.
a spectrum with no interruptions or black lines
spectrum of bright lines on a dark background/given off by elements heated to a gas/how the color is put in fireworks
3 True/False questions
objects that are closer seem to move more than objects farther away
an instrument used to study the spectrum of a star
visible light separated into its different wavelengths/the rainbow