| A | B |
| Over 200 Billion of them | Stars |
| Most Important Star | The Sun |
| Electromagnetic Waves | visible light, radio waves, heat, x-rays, radiant energy |
| All Colors Combined | White |
| Total absense of color | Black |
| tools used to see an object closer | Microscope |
| tools used to see an object in space | Telescope |
| Contains a prism that seperates starlight | Spectroscope |
| Seperate's light through a prism and graphs it | Spectrograph |
| Arecibo, Puerto Rico | Home of the 300 meter wide radio telescope |
| stars contain: 70% hydrogen and... | 28% helium |
| Quasars and Pulsars, are studied by ______ Telescopes | Radio |
| Largest Multiple Mirror Telescope is located | Mauna Kea, Hawaii |
| Scientists use this to determine the position of the sun | parallax |
| 299,792 km per/sec | Light Speed |
| Closest star | Proxima Centauri |
| a stars brightness, as it appears from earth | apparent magnitude |
| actual brightness of a star | absolute magnitude |
| Biggest Type of Star | Super Giants |
| Second Biggest Type of Star | Red Giants |