Atmosphere Quiz 2 - Answers

1. Thermosphere
The International Space Station orbits in the thermosphere, between 350 and 420 km (220 and 260 mi).

2. Stratosphere
The ionosphere is a region of Earth's upper atmosphere, from about 60 km (37 mi) to 1,000 km (620 mi) altitude, and includes the thermosphere and parts of the mesosphere and exosphere.

3. Scattering
When light passes through Earth's atmosphere, photons interact with it through scattering. Blue light is scattered more than other wavelengths by the gases in the atmosphere giving Earth a blue halo when seen from space.

4. Noctilucent
Noctilucent clouds are not fully understood and are a recently discovered meteorological phenomenon.They are normally too faint to be seen, and are visible only when illuminated by sunlight from below the horizon while the lower layers of the atmosphere are in the Earth's shadow.

5. Nephology
Derived from Ancient Greek - nephos meaning "cloud" +‎ -logy meaning "study of"

6. Titan
Titan has by far the densest atmosphere of any moon. The Titanean atmosphere is in fact denser than Earth's, with a surface pressure of 147 kPa, one and a half times that of the Earth with 98.4% Nitrogen

7. radiosonde
A radiosonde is a battery-powered telemetry instrument package carried into the atmosphere usually by a weather balloon that measures various atmospheric parameters and transmits them by radio to a ground receiver. A radiosonde that is dropped from an airplane and falls, rather than being carried by

8. Barometer
A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. Although Evangelista Torricelli is universally credited with inventing the barometer in 1643, historical documentation also suggests Gasparo Berti, an Italian mathematician and astronomer, unintentionally bui

9. Mesosphere
The mesosphere is the third highest layer of Earth's atmosphere, occupying the region above the stratosphere and below the thermosphere. Temperatures drop with increasing altitude to the mesopause that marks the top of this middle layer of the atmosphere.

10. Exosphere
The exosphere is the outermost layer of Earth's atmosphere. It extends from the exobase, which is located at the top of the thermosphere at an altitude of about 700 km above sea level, to about 10,000 Kuzhalmannam

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