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What exactly is the mesosphere? The mesosphere is an atmospheric layer. The mesosphere exists between the stratosphere and the thermosphere. The layer in the middle Between the thermosphere and the stratosphere is the mesosphere. The term "meso" means "middle," and this is the highest layer of the atmosphere, where the gases are mixed together rather than layered by mass. The thickness of the mesosphere is 22 miles (35 kilometres). You wouldn't be able to breathe in the mesosphere because the air is still thin. This layer, however, contains more gas than the thermosphere. Have you ever witnessed a meteor shower, in which meteors explode and streak across the sky? Some people refer to them as shooting stars. These meteors are exploding in the mesosphere. Because there isn't much air in the exosphere and thermosphere, meteors pass through with little difficulty. However, when they reach the mesosphere, there are enough gases to cause friction and heat. ...

  A Meteor Shower: What Is It? You won't need a telescope, binoculars, or a tall mountain to have a "star gazing" party if a meteor shower is a forecast. A warm sleeping bag and an alarm clock to wake you up in the middle of the night can be necessary. The best place to watch a show, though, is simply by lying down in your own backyard. Meteors A meteoroid is a space rock that enters the atmosphere of Earth. The air on the space rock creates drag, which causes it to heat up as it falls toward Earth. A "shooting star" is what we can see. The glowing hot air that can be seen as the hot rock flies through the atmosphere, not the rock itself, is what is causing that light streak. We refer to a meteor shower as the simultaneous collision of several meteoroids with Earth. Why would there be a lot of meteoroids hitting Earth at once? Comets orbit the sun in a similar manner to Earth and the other planets. The orbits of comets are typically very lopsided, in c...