• Question: my techer says that gasies are invizbal but some planets are mayd out of gas if ther made out of gas how can we see them?

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      Asked by minecraft creeper to Elizabeth on 6 Mar 2015.
      • Photo: Elizabeth Cooper

        Elizabeth Cooper answered on 6 Mar 2015:

        The planets made from gas simply gets denser with depth. What we see when looking at these planets is the tops of clouds higher in the atmosphere.

        Jupiter is about 90% hydrogen and 10% helium

        Not all gases are invisible – clorine and nitrogen dioxide gases are yellow and orange.

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