Mesosphere and Thermosphere

Mesosphere burns up most (a) and (b) before they can reach the Earth’s surface

• Meteors (a) Comets (b)

• Asteroids (a) comets (b)

• Asteroids (a) Meteors (b)

The Mesosphere extends to a height of It extends to a height of...

• 80 Km

• 80 m

• 85 Km

• 85 m

The area where the mesosphere transitions into the thermosphere is called the_______

What is the range of the thermosphere?

• 50 - 80 km

• 25 - 50 km

• 85 - 500 km

• 80 - 500 km

The Mesosphere occupies the region above the (a)and below the (b)

• a) Stratosphere

• a) Troposphere

• b) Thermosphere

• b) Exosphere

What is the temperature of the thermosphere?

• 500 - 1000 *C

• 250 - 500 *C

• 150 - 250 *C

• 90 - 170 *C

The atmospheric layer that lies just above the thermosphere

What is the Karman line?

• The boundary between the mesosphere and thermosphere.

• The boundary between the troposphere and stratosphere.

• The imaginary line that separates the Earth's atmosphere from outer space.

• The line that marks the transition from day to night.

Which is the 3rd Layer of the atmosphere

• Stratosphere

• Mesosphere

• Thermosphere

• Troposphere

Satellites like the ISS orbit in the ...

• Mesosphere

• Thermosphere

• Stratosphere

• Troposphere