| blue | | _____ stars are the hottest stars (hint...it's a color) |
| spectrum | | The brightness of a star as seen from Earth is called the star's ______ magnitude. |
| constellations | | The constellation Ursa Major is also called this. |
| sunspots | | Cloud of gas and dust in space. |
| elliptical | | These stars are hot but very small. |
| apparent | | The Sun and most stars that you can see at night are _____ _____ stars. |
| galaxy | | A ball of gases that gives off heat and light. |
| LittleDipper | | This type of galaxy usually has one or more spiral arms. |
| MilkyWay | | These are dark, cooler areas on the Sun's surface. |
| main sequence | | This type of galaxy has a rounded shape. |
| whitedwarfs | | Stars that we see in patterns in the night sky. |
| core | | The ______ of white light contains red, orange, yellow, green, blue, indigo, and violet. |
| nebula | | The constellation Ursa Minor is also called this. |
| red | | The ______ magnitude of a star is its actual brightness. |
| star | | Before ending as a neutron star or black hole, a large star may blow itself apart in this. |
| spiral | | Our solar system is in this galaxy. |
| absolute | | Huge collection of stars, gas, and dust that travel together through space |
| BigDipper | | The hottest part of the Sun. |
| supernova | | _____ stars are the coolest stars (hint...it's a color) |