ASTRONOMY & SPACE | UNIVERSE on Instagram: "Meteor captured over Burj khalifa!🎇 Meteoroids are defined as objects significantly smaller than asteroids, ranging in size from grains to objects up to a meter wide.Objects smaller than this are classified as micrometeoroids or space dust.Most are fragments from comets or asteroids, whereas others are collision impact debris ejected from bodies such as the Moon or Mars.\n\nWhen a meteoroid, comet, or asteroid enters Earth’s atmosphere at a speed typi