1) A natural object in the sky.  a) Galaxy b) Celestial Body c) Dwarf Planet d) Day 2) An object that does not undergo nuclear fusion but orbits one or more stars, called a natural satellite of a sun.   a) Planet b) Universe c) Asteroid d) Exoplanet 3) An object that orbits a star and is similar to a planet but is not large enough to clear its orbital path of debris.   a) Asteroid b) Big Bang Theory c) Dwarf Planet d) Celestial Body 4) A planet outside of our solar system that orbits a star/sun.   a) Sun b) Asteroid c) Exoplanet d) Galaxy 5) A natural object that orbits a planet, or a natural satellite of a planet   a) Planet b) Solar System c) Moon d) Day 6) Objects orbiting the sun that do not fulfil planetary criteria.   a) Asteroid b) Solar System c) Dwarf Planet d) Galaxy 7) A large ball of hot gases/plasma that is undergoing nuclear fusion and emitting electromagnetic radiation.   a) Dwarf Planet b) Universe c) Star d) Galaxy 8) A star at the centre of a solar system.   a) Solar System b) The Age of the Universe c) Asteroid d) Sun 9) One or more stars orbited by planets.   a) Solar System b) Moon c) Big Bang Theory d) Galaxy 10) A cluster of gravitationally bound stars, gas and dust clouds.   a) Galaxy b) Star c) Year d) Big Bang Theory 11) Consists of many galaxies separated by empty space.   a) Universe b) Asteroid c) Planet d) Big Bang Theory 12) The rapid expansion of matter from a state of extremely high density (a singularity) and temperature which (according to current cosmological theories) marked the origin of the universe.  a) The Age of the Universe b) Star c) Dwarf Planet d) Big Bang Theory 13) 13.8 billion years a) Dwarf Planet b) Sun c) The Age of the Universe d) Year 14) The time taken for an planet to orbit its sun. a) Universe b) Year c) Planet d) The Age of the Universe 15) The time taken for a celestial object to rotate on its axis.  a) Day b) Galaxy c) Exoplanet d) Year

Maze Chase Space Definitions

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