| Uranus is the ____ planet from the Sun. |
1781 |
| Crewless ____ (orbiters, landers, rovers) have been sent to Mars. |
248 |
| The celestial sphere is divided into 88 ____. |
constellations |
| Meteors that reach the Earth's surface are called ____. |
fifth |
| The ____ is an area in the sky that includes 12 constellations. |
meteorites |
| Pluto takes ____ years to orbit the Sun. |
seventh |
| Jupiter is the ____ planet from the Sun. |
spacecraft |
| William Herschel discovered Uranus using a telescope in ____. |
zodiac |
