吃豆子星雲中的恆星和塵埃
Stars and Dust in the Pacman Nebula
來源:Malcolm Loro|發表日期:2024-11-18
恆星可以從它們誕生的濃密而黑暗的分子云中創造出巨大而複雜的塵埃雕塑。 恆星用來雕刻細節的工具是高能量的光和快速的恆星風。 它們產生的熱量會蒸發黑暗的分子塵埃,並使周圍的氫氣分散併發光。 如圖所示,在發射星雲NGC 281 中錯綜複雜的星際塵埃結構周圍,一個被命名為IC 1590 的新恆星開放星團已接近完成,NGC 281 因其整體形狀而被稱為 "吃豆人星雲"。 正中上方的塵埃雲被歸類為Bok Globule,因為它可能會在引力作用下坍縮並形成一顆或多顆恆星。吃豆人星雲位於仙后座方向約 1 萬光年遠的地方。
原文:Stars can create huge and intricate dust sculptures from the dense and dark molecular clouds from which they are born. The tools the stars use to carve their detailed works are high energy light and fast stellar winds. The heat they generate evaporates the dark molecular dust as well as causing ambient hydrogen gas to disperse and glow. Pictured here, a new open cluster of stars designated IC 1590 is nearing completion around the intricate interstellar dust structures in the emission nebula NGC 281, dubbed the Pac-man Nebula because of its overall shape. The dust cloud just above center is classified as a Bok Globule as it may gravitationally collapse and form a star -- or stars. The Pacman Nebula lies about 10,000 light years away toward the constellation of Cassiopeia.
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