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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaEarth or weather concept

Sunlight refracts and reflects inside water droplets to produce these coloured arcs opposite the Sun.

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Your new ahaRainbows

Rainbows: Formed when sunlight is refracted and reflected inside water droplets. Source: Rainbow

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More from Earth & Weather

A few more worth knowing.

  1. 10The northern form of this sky display appears when charged particles interact with the upper atmosphere.RECALL
    Aurora Borealis

    The aurora borealis lights up the sky when charged solar particles strike Earth's atmosphere near the poles.

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  2. 11Heat and pressure transform existing rock without fully melting it into this rock type.RECALL
    Metamorphic Rock

    Metamorphic rock forms when heat and pressure transform existing rock without it fully melting.

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  3. 12The troposphere and stratosphere are members of this ordered set of atmospheric regions.IDENTIFY
    Atmosphere's Layers

    Earth's atmosphere divides into layers such as the troposphere and stratosphere, with nearly all weather in the lowest layer.

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