A) 1900 B) 1930 C) 1950 D) 2000
A) Clyde Tombaugh B) Albert Einstein C) Galileo Galilei D) Isaac Newton
A) 1 billion miles B) 20 million miles C) 3.67 billion miles D) 100 million miles
A) New Horizons B) Voyager 1 C) Cassini D) Hubble Space Telescope
A) Hydra B) Nix C) Styx D) Charon
A) 100 Earth years B) 365 Earth days C) 248 Earth years D) 10 Earth years
A) Oxygen B) Helium C) Nitrogen D) Carbon dioxide
A) Dwarf planet B) Comet C) Gas giant D) Asteroid |