| The brightest star seen in the Earth's night sky is ____. |
Ceres |
| The Sun is one of the 100-400 billion stars in the ____ galaxy. |
Copernicus |
| ____ is a dwarf planet orbiting between Mars and Jupiter. |
Eris |
| ____ is a dwarf planet that is slightly larger than Pluto. |
Halley |
| The ____ comet can be seen about every 75 years. |
Herschel |
| Polaris is commonly known as the ____. |
Milky Way |
| Nicolaus ____ proposed that the planets orbit the Sun. |
North Star |
| William ____ discovered Uranus using a telescope in 1781. |
Sirius |
