| Answer | Crossword Clue |
|---|---|
| megaparsec | a measure of astronomical distance, a million parsecs |
| megaparsecs | MEGAPARSEC, a measure of astronomical distance, a million parsecs |
| ceres | dwarf planet that orbits within the asteroid belt with a mean distance from the sun of 2.7 astronomical units (260 million miles) and a diameter of 590 miles (950 kilometers) |
| parsec | a unit of measure for interstellar space that is equal to 3.26 light-years and is the distance to an object having a parallax of one second as seen from points separated by one astronomical unit |
| kiloparsec | a unit of astronomical distance, 1000 parsecs |
| kiloparsecs | KILOPARSEC, a unit of astronomical distance, 1000 parsecs |
