About five light-years "tall", the dark cloud is cataloged as Barnard 33 and is visible only because its obscuring dust is silhouetted against the glowing red emission nebula IC 434.
约5光年高的暗星云编号为巴纳德33,能够被看见仅仅因为其暗尘埃在明亮的发射星云IC 434的衬托下显出轮廓。
About five light-years "tall", the dark cloud is cataloged as Barnard 33 and is visible only because its obscuring dust is silhouetted against the glowing red emission nebula IC 434.
约5光年高的暗星云编号为巴纳德33,能够被看见仅仅因为其暗尘埃在明亮的发射星云IC 434的衬托下显出轮廓。
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