A meteor is a streak of light in the sky caused by a meteoroid crashing through Earth's atmosphere. ... 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.
Answers & Comments
A meteor is a streak of light in the sky caused by a meteoroid crashing through Earth's atmosphere. ... 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.