% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Other crossword clues for answer "MERCURY"

MERCURY
It has virtually no atmosphere
First mission to put an American astronaut in space
*"The Winged Messenger"
Thermometer element
First rock from the sun
Sun's immediate neighbor
It falls in winter
Clue for 17-, 27-, 45- and 58-Across
Hg
God of science.
Planet nearest the sun.
Element from cinnabar.
Planet nearest to the sun
60's space project
With 1-Down, first American astronauts
See 20-Across
Hermes, to Horace
It orbits the sun in 88 days
Barometer filler
Nearest planet to the sun
Venus neighbor
Roman god of trade