| The ____ comet can be seen about every 75 years. |
Galileo |
| ____ discovered Jupiter's four largest moons in 1610. |
Halley |
| Clyde Tombaugh discovered the dwarf planet ____ in 1930. |
Herschel |
| The ____ Space Telescope was launched in 2021. |
North Star |
| Polaris is commonly known as the ____. |
Orion |
| William ____ discovered Uranus using a telescope in 1781. |
Pluto |
| The brightest star seen in the Earth's night sky is ____. |
Sirius |
| New stars are being formed within the ____ Nebula. |
Webb |
