which celestial object is primarily composed of icy materials, dust, and gas, developing a bright coma and often a tail when close to the Sun? , comet, meteoroid, asteroid, meteorite, Can an asteroid hit the Earth ? , Yes , because there is a small chance of this happening. , No , because there's no chance of this happening. , Yes , because there's a big chances of this happening, No , because only small objects like comet ang meteors hits the Earth., How are comets named? , randomly, their discoverer , famous people, their sizes, These asteroids share an orbit with larger a planet, but do not collide with it because they gather around two special places in the orbit. , trojans, asteroid belt , near - earth asteroids, none of the above, How do we know if a meteor has made contact with Earth’s atmosphere?, species like the dinosaurs die out , it burns up and becomes a "shooting star" , we find space rock on the ground, humans on earth die , where does the comet originate from? , colition of planets, kuiper belt, space debris , a part of the moon , what are the three parts of a comet? , the head, body, and tail, the nucleus, coma, and tail, the nucleus, protons, and electrons, is meteor an asteroid? , yes, no, is a meteoroid smaller than an asteroid?, yes, no, What phenomenon occurs when earth passes through a region having a greater than usual concentration of interplanetary debris, such as particles left by a disintegrating comet ?, meteorite , gamma ray burst, meteor shower, shooting star.

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