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