cloud wiki:
>For other uses, see Cloud (disambiguation). A cloud is a visible mass of condensation droplets or ice crystals suspended in the atmosphere above the surface of the Earth or another planetary body.On Earth, the condensing substance is water vapor, which forms small droplets of water (typically 0.01 mm of ice crystals) that, when surrounded with billions of other droplets or crystals, are visible as clouds. Clouds reflect all visible wavelengths of light equally and are usually white, but they can appear grey or even black if they are so thick or dense that sunlight cannot pass through.
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sun wiki:
>For other uses, see Sun (disambiguation). For the astrological significance of the Sun, see Solar system in astrology."Solar" redirects here; for the superhero by that name, see Solar (comics). The Sun is the star at the centre of our Solar system. Planet Earth orbits the Sun, as do many other bodies, including other planets, asteroids, meteoroids, comets and dust. Its heat and light support almost all life on Earth.
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