| During a ____ eclipse the Earth casts a shadow on the Moon. |
astronomical |
| Uranus and Neptune appear ____ due to atmospheric methane. |
blue |
| Eris, Pluto, Haumea, Makemake, and Ceres are ____ planets. |
dwarf |
| The Milky Way is a ____ galaxy with a black hole in the center. |
elliptical |
| Mars appears ____ due to iron oxide dust covering its surface. |
lunar |
| The distance between the Earth and Sun is one ____ unit. |
red |
| The shapes of the planetary orbits are ____. |
spiral |
| Mercury, Venus, Earth, and Mars are ____ (rocky) planets. |
terrestrial |
