polarna svjetlost

polarna svjetlost

the light produced by excited atoms and ions in the upper atmosphere of a planet

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行业/领域：天文学
类别普通天文学
Company: Caltech
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ultravioletna svjetlost

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The point directly overhead in the sky.

planetarna putanja

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The path of one object about another (used here for an object orbiting the sun).

meteori

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Small rocky and/or icy particles that are swept up by the earth in its orbit about the sun. Also called "shooting stars", they travel across the sky in a very short time, from ...

kometa

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A celestial body orbiting the sun (though some may be ejected from the solar system by planetary perturbations) that displays (at least during a portion of its orbit) some ...

alhemija

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Art of bringing parts of the universe to the perfect state toward which they were thought to aspire - e.g., gold for metals, immortality for human beings.

aluminij

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a silvery ductile metallic element found primarily in bauxite.

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行业/领域：食品（其他）类别香料

korijander

spice (whole or ground) Description: Seeds from the coriander plant, related to the parsley family (see cilantro). Mixture of lemon, sage and caraway ...