Spicule
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Also called needle-shaped bodies. A jet of high-temperature gas seen in the solar chromosphere. It is needle-shaped, 1,000 km in diameter and about 10,000 km long, and rises from the bottom of the chromosphere along the magnetic field lines at 20 to 30 km per second, penetrates into the corona, and then descends or disappears. Source : Heibonsha Encyclopedia About MyPedia Information |
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針状体とも。太陽の彩層に見られる高温ガスの噴流。直径1000km，長さ約１万kmの針のような形をしており，彩層底部から磁力線に沿って秒速20〜30kmで上昇してコロナの中を突き進んだ後，下降または消失する。
出典 株式会社平凡社百科事典マイペディアについて 情報 |
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