星尘的构成是超巨星表面膨胀的大气向宇宙散发的物质,是一颗大质量恒星进化的最后阶段。
The dust is likely formed as the swollen atmosphere of the supergiant sheds material into space, a final phase in the evolution of a massive star.
在明亮的超巨星参宿七的照耀下,女巫头星云的尾部就像一阵烟,穿过700光年远的波江座。
Basking in the glow of the bright supergiant star Rigel, the Witch Head Nebula trails like a puff of smoke through the Eridanus constellation about 700 light years away.
英国的球迷热切想看身穿新球衣的前英超巨星的表演,并且打算蜂拥而至Murrayfield去看这位法国国脚的表演。
Fans in Britain are keen to see how the former Premiership star performs in his new colours and are preparing to descend on Murrayfield to see the French international in action.
英国的球迷热切想看身穿新球衣的前英超巨星的表演,并且打算蜂拥而至Murrayfield去看这位法国国脚的表演。
Fans in Britain are keen to see how the former Premiership star performs in his new colours and are preparing to descend on Murrayfield to see the French international in action.
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