Page 206 - Science Course 3 (Book 2)

Mo13-L2b: What Makes Up the Atmosphere of Inner Planets?

Incoming Ref ected Earth
Sunlight Sunlight Infrared
Radiation Earth is the third planet from the Sun.
escaping
Ref ected to space
Clouds
Atmospheric
carbon
dioxide Reabsorbed
Infrared
Sunlight Radiation
Striking
Surface

Planet Infrared radiation
Surface emitted from surface
Earth

Infrared
Incoming Ref ected radiation
Sunlight Sunlight escaping
to space
Reabsorbed Earth 58 0C
Ref ective Cloud
Atmospheric Layers Infrared Distance from Sun:
Carbon Radiation 1.0 AU(150,000,000 km)
dioxide
Length of Day:
Sunlight 24 Earth Hours
striking Infrared
surface Length of Year:
radiation 365.2 Earth days
Planet emitted
Surface from surface Type: –88 0C
Terrestrial
1 Moon 0 Rings Surface
Temperature
Venus
A mixture of gases, including water vapor, make up
Earth’s atmosphere and produce a greenhouse effect
Key Concept that raises its surface temperature.

What Makes Up the Atmosphere of Inner Planets?
A protective atmosphere, moderate surface
Why is Venus hotter than Mercury? temperatures, and the presence of liquid water
support a variety of life on Earth.

Mass : 5,972,190,000,000,000 billion kg

Equatorial Diameter: 12,756 km
Polar Diameter: 12,714 km
Equatorial Circumference: 40,030 km

70 kg : Your weight in Moon is 11.6 kg

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