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