A) loops B) nucleus C) force D) particles
A) particles B) solar wind C) nucleus D) force
A) nucleus B) fluorescent C) particles D) loops
A) nucleus B) solar wind C) loops D) fluorescent
A) particles B) loops C) force D) nucleus
A) fluorescent B) force C) solar wind. D) loops
A) is written in the first person B) tells how to make something C) took place long ago D) gives information about the solar system
A) a full moon B) a group of stars C) the sun D) a flaming ball
A) People did not understand comets. B) Earthquakes and floods occurred after a comet appeared. C) Bad things always happened after a comet appeared. D) Comets appeared in the sky suddenly.
A) a ball of frozen gases B) a planet C) a star D) a snowball
A) astronauts B) doctors C) astronomers D) dentists
A) around the sun B) between the planets C) behind the moon D) past the farthest planet
A) a coma B) an asteroid C) gravity D) a planet
A) fluorescent light bulb B) bulb shooting star C) dirty snowball D) solar wind
A) gas and dust B) fur C) rocks D) ice
A) meteors B) boulders C) asteroids D) comets
A) ellipses B) periods C) years D) loops
A) what comets are made of and how they move and change B) how to become an astronomer and learn to write books. C) when the next solar system will appear in the universe D) traveling comets that can change our lives |