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Meteors. Meteoroids, and Meteorites By: Kim Wong.

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1 Meteors. Meteoroids, and Meteorites By: Kim Wong

2 What’s the difference? There really is no difference. It is all the same thing, but it acts in different ways. A meteoroid becomes a meteor when it enters Earth’s atmosphere and becomes a meteorite if it survives and hits the ground. There really is no difference. It is all the same thing, but it acts in different ways. A meteoroid becomes a meteor when it enters Earth’s atmosphere and becomes a meteorite if it survives and hits the ground.

3 Meteoroids A meteoroid is a chunk of stony debris that travels in outer space. The meteoroids travels arount the sun at different courses of orbit and speed. Most meteoroids are about the size of a pebble. When a meteoroid enters Earth’s atmosphere, it is then called a meteor. A meteoroid is a chunk of stony debris that travels in outer space. The meteoroids travels arount the sun at different courses of orbit and speed. Most meteoroids are about the size of a pebble. When a meteoroid enters Earth’s atmosphere, it is then called a meteor.

4 Meteors What causes meteors to glow, burn, and shine? Friction. Friction between the debris and gases heats it to the point that it glows and becomes visible in the sky. Most meteors only last a few seconds prior to burning up before hitting the Earth’s surface. People often refer to meteors as falling or shooting stars, but they are not a star at all. Just a piece of debris that has entered Earth’s atmoshere. What causes meteors to glow, burn, and shine? Friction. Friction between the debris and gases heats it to the point that it glows and becomes visible in the sky. Most meteors only last a few seconds prior to burning up before hitting the Earth’s surface. People often refer to meteors as falling or shooting stars, but they are not a star at all. Just a piece of debris that has entered Earth’s atmoshere.

5 Meteorites If the meteor does not burn up completely when entering the Earth’s atmosphere, it becomes a meteorite. Large meteorites that hit Earth long ago formed craters in the Earth, like those found on the moon. The Barringer Meteorite Crater near Winslow, Arizona is believed to have been formed about 49,000 years ago by the impact of a 300,000ton (600billion pounds) meteorite. If the meteor does not burn up completely when entering the Earth’s atmosphere, it becomes a meteorite. Large meteorites that hit Earth long ago formed craters in the Earth, like those found on the moon. The Barringer Meteorite Crater near Winslow, Arizona is believed to have been formed about 49,000 years ago by the impact of a 300,000ton (600billion pounds) meteorite.The Barringer Meteorite CraterThe Barringer Meteorite Crater Did you know? Over 100 meteorites hit earth’s surface every year!

6 Thanks for watching! Any questions? Any questions?

7 References http://www.faqs.org/faqs/astronomy/faq/part5/section- 29.html http://www.faqs.org/faqs/astronomy/faq/part5/section- 29.html http://www.faqs.org/faqs/astronomy/faq/part5/section- 29.html http://www.faqs.org/faqs/astronomy/faq/part5/section- 29.html http://starchild.gsfc.nasa.gov/docs/StarChild/solar_syste m_level2/meteoroids.html http://starchild.gsfc.nasa.gov/docs/StarChild/solar_syste m_level2/meteoroids.html http://starchild.gsfc.nasa.gov/docs/StarChild/solar_syste m_level2/meteoroids.html http://starchild.gsfc.nasa.gov/docs/StarChild/solar_syste m_level2/meteoroids.html Google.com Google.com http://www.astronomynotes.com/solarsys/pics/iron- meteorite.jpg http://www.astronomynotes.com/solarsys/pics/iron- meteorite.jpg http://www.astronomynotes.com/solarsys/pics/iron- meteorite.jpg http://www.astronomynotes.com/solarsys/pics/iron- meteorite.jpg http://www.eso- garden.com/images/uploads_bilder/leonid_meteor_show er_2.jpg http://www.eso- garden.com/images/uploads_bilder/leonid_meteor_show er_2.jpg http://www.eso- garden.com/images/uploads_bilder/leonid_meteor_show er_2.jpg http://www.eso- garden.com/images/uploads_bilder/leonid_meteor_show er_2.jpg http://www.tqnyc.org/2006/NYC063368/chesakperater.j pg http://www.tqnyc.org/2006/NYC063368/chesakperater.j pg http://www.tqnyc.org/2006/NYC063368/chesakperater.j pg http://www.tqnyc.org/2006/NYC063368/chesakperater.j pg


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