Answer:

1.Comets also create meteoroids as they orbit the sun and shed dust and debris. When a meteoroid enters the Earth's upper atmosphere, it heats up due to friction from the air. The heat causes gases around the meteoroid to glow brightly, and a meteor appears.

2.They typically occur and disappear so quickly that you wonder if you actually saw them. These streaks of light are commonly called "shooting stars" or "falling stars." Although they are most often seen at night, especially bright meteors can be seen during daylight.

3.In fact, up to a diameter of about 10-meters (33 feet), most stony meteoroids are destroyed in the atmosphere in thermal explosions. Obviously some fragments do reach the ground, because we have stony meteorites in our museums. Such falls are known to cause property damage from time to time.

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