Meteors

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Meteors Meaning and Definition in Dictionary

Meteors Meaning and Definition in Wikipedia


A meteor is what you see when a space rock falls to Earth. It is often known as a shooting star or falling star and can be a bright light in the night sky, though most are faint. If it hits the ground, it is then called a meteorite, and a large one sometimes leaves a hole in the ground called a crater.

A rock that has not yet hit the atmosphere is called a "meteoroid". Meteoroids may range in size from large pieces of rock to tiny dust particles floating in space that did not form planets. When the meteoroids enter Earth's atmosphere they are usually going faster than the Earth's escape velocity of 13 km/sec or Mach 40. This makes them heat up and usually break apart. When the heat makes them glow, they are known as meteors.

Meteors are distinct from comets or asteroids, but some, especially those associated with meteor showers, are dust particles that came out of comets.



Meteors Sample Sentences in News


  • Taurid Meteor Shower Peaks Soon, But Moon Will Dampen Display
    Indeed, the Taurid debris stream contains noticeably larger fragments than those shed by other comets, which is why in certain years this rather elderly meteor stream delivers a few unusually bright meteors known as "fireballs." The Taurids are actually divided into the Northern Taurids and the Southern Taurids, an example of what happens to a meteor str Read more on this news related to 'Meteors'
  • Leonid Meteor Shower Peaks Monday: How to See It
    This year, the Leonid meteor shower should treat skywatchers to beween 10 and 15 meteors per hour, NASA meteor expert Bill Cook, head of the Meteoroid Environment Office at the agency's Marshall Space Flight Center in Huntsville, Alabama, told Space.com. For some meteor showers, that's considered a decent rate. But the Leonids have a lot to live up to: In Read more on this news related to 'Meteors'
  • Leonid Meteor Shower Peaks Tonight: How to See It
    This year, the Leonid meteor shower should treat skywatchers to beween 10 and 15 meteors per hour, a NASA meteor expert says -- Read more on ScientificAmerican.com Read more on this news related to 'Meteors'

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