Altitude Regions
The Earth's atmosphere is divided into several altitude regions:
- Troposphere — surface to 8,000 metres (5.0 mi) at the poles – 18,000 metres (11 mi) at the equator, ending at the Tropopause.
- Stratosphere — Troposphere to 50 kilometres (31 mi)
- Mesosphere — Stratosphere to 85 kilometres (53 mi)
- Thermosphere — Mesosphere to 675 kilometres (419 mi)
- Exosphere — Thermosphere to 10,000 kilometres (6,200 mi)
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Famous quotes containing the words altitude and/or regions:
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—Karl Marx (1818–1883)
“In common with other rural regions much of the Iowa farm lore concerns the coming of company. When the rooster crows in the doorway, or the cat licks his fur, company is on the way.”
—For the State of Iowa, U.S. public relief program (1935-1943)