Enter a clue or pattern or both:
The Clue
60's space project (7 letter answer)
The Answer
MERCURY
Tags
Notes
The answer MERCURY is so rare that it appears less than once every 2500 puzzles.
Related Clues
Planet nearest to the sun
Definition
MERCURY as a noun:
1. (mercury, quicksilver, hydrargyrum, Hg, atomic number 80) = a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
2. (Roman mythology) messenger of Jupiter and god of commerce; counterpart of Greek Hermes
3. the smallest planet and the nearest to the sun
4. temperature measured by a mercury thermometer; "the mercury was falling rapidly"