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Secondary I • 2yr.

Hello! I was wondering if all gases were invisible? Thanks!


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Explanations (1)

  • Explanation from Alloprof

    Explanation from Alloprof

    This Explanation was submitted by a member of the Alloprof team.

    Team Alloprof • 2yr.

    Hello Pieuvre Magique, 

    Good question! 

    Gases are generally invisible since the particles that constitute them are very distant from each other. However the atmosphere (the gaseous layer surrounding the Earth) appears blue, as can be seen in some photos of Earth taken from space. This is because this layer is so thick that it does not allow all the light to pass through, unlike gases found on Earth. 

    Come back to us if you have any other questions :)

    Éveline 😊

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