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