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