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