Planet Detective
What are reasons Mercury lost most of its atmosphere ?
There is a very thin layer of atmosphere around the planet. It always getting " blown away " into space by the pressure of the sunlight and by the solar wind.
There is a very thin layer of atmosphere around the planet. It always getting " blown away " into space by the pressure of the sunlight and by the solar wind.
Compare how close Mercury & the Earth are to the sun.
Mercury's distance from the sun is 57.717 million km.
Earths distance away from the sun is 151.21 million km.
Compare how much mass Mercury & the Earth have.
Mercury's mass is 3.285e+23.
Earth's mass is 5.972e+24
Mercury's mass is 3.285e+23.
Earth's mass is 5.972e+24
How does not having an atmosphere affect the temperature ?
The clouds reflect on the heat of the sun away from the planet. The winds circulate heat from hot places to cool places. " Greenhouse " Gases hold in the heat of the planet.
The clouds reflect on the heat of the sun away from the planet. The winds circulate heat from hot places to cool places. " Greenhouse " Gases hold in the heat of the planet.
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