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BBC英语新闻:科学家欲捕捉黑洞边界图像

2016-02-17    来源:普特英语听力    【      美国外教 在线口语培训
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 Astronomers say there are on course to take the first ever image of the edge of a black hole known as event horizon early next year. The team will focus on a super massive black hole called Sagittarius A star at the heart of the Milky Way. More details from Jonathan Web. "The event horizon is the spherical boundary of a black hole from which nothing including light can escape. But its cloud of gas and dust are sucked and squeezed into ablaze with energy. It's this swirling halo that would allow the Event Horizon Telescope to capture the silhouette of the black hole itself for the very first time. Based on many simulations of this unexplored frontier, the team behind the telescope has chosen to use very short radio waves which should penetrate the surrounding turmoil and review the black hole shadow." Jonathan Web. BBC News.

【key words】

Milky Way:银河

squeeze:挤压,压缩

silhouette:剪影,轮廓

penetrate :穿透,渗入

 

 

 宇航员称明年早些时候将捕捉到视界线即黑洞边界图像。该宇航员团队将会重点关注银河系银心名为“人马座A”的超质量黑洞。乔纳森•韦伯为您带来详细的报道。“视界线”是黑洞的边缘,包括光在内的一切物质都无法从黑洞中逃脱。但是,其气体和灰尘组成的云团被吸进和挤压形成带有能量的强光。正是这个旋涡状的光环让“视界线”望远镜首次捕捉到了黑洞的轮廓。根据对这个未知领域的多次模拟,该团队选择使用可穿透其混沌周边并环顾黑洞阴影的极短无线电波。乔纳森•韦伯为您带来的BBC新闻。

  【本译文由普特网友李唯文提供,略有修改】


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