Crossword Heaven

Answer: MERCURY

MERCURY is a crossword puzzle answer that we have spotted 17 times.

• Thermometer element
• First rock from the sun
• It falls in winter
• Barometer filler
• Element #80
• Roman God messenger
• 60's space project
• Metallic element
• Element 80
• Planet nearest to the sun
• Liquid metal
• Quicksilver
• With 1-Down, first American astronauts
• Clue for 17-, 27-, 45- and 58-Across
• Nearest planet to the sun
• See 20-Across
• Hg