设为首页收藏本站

QQ登录

只需一步,快速开始

扫一扫,微信直接登录

含象堂大健康丨含自然·汇万象

查看: 3042|回复: 0

【英文阅读】First Look

[复制链接]

70

主题

76

帖子

460

积分

版主

Rank: 7Rank: 7Rank: 7

积分
460
发表于 2019-4-19 22:43:49 | 显示全部楼层 |阅读模式
分享到:
本帖最后由 深海鳗鱼 于 2019-4-22 17:27 编辑

从今天开始,常乐将从国外各大网站搬运一些合适K12英语学习者的文章,阅读过程中遇到的问题都可以在大群问常乐。

今天这篇文章讲述的是最近的大热话题,萦绕于耳又万分陌生的外太空神秘客,blackhole黑洞。这篇文章难易程度,适合小五-小六的孩子们,了解该话题的基本概况。

【Science Space】


First Look

April 26, 2019

Rebecca Katzman


blackhole.jpg


OUT OF THE DARKNESS The first image ever created of a black hole was revealed on April 10.
NATIONAL SCIENCE FOUNDATION/GETTY IMAGES



The world got a glimpse of one of the greatest mysteries of our universe on April 10. That's when the first image of a black hole was shown to the public. The picture was created by a network of eight radio telescopes on four continents. The network is known as the Event Horizon Telescope.
“We have seen what we thought was unseeable,” says Shep Doeleman. He led the effort to create the image.
The black hole is at the center of the Messier 87 galaxy, some 55 million light-years from Earth, and is 6.5 billion times the mass of the sun.
The image shows the gas, dust, and stars that swirl around the black hole before disappearing into it. This is the “event horizon.” The image does not truly show the black hole, because not even light can escape its gravity. Black holes, like vacuums, suck in everything that gets too close.




回复

使用道具 举报

您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

小黑屋|含象堂大健康丨含自然·汇万象 (沪公网安备 31011302007431号  沪ICP备16043211号-1

GMT+8, 2024-5-9 19:03 , Processed in 0.132720 second(s), 40 queries .

Powered by 含象堂

© 2001-2019 含象堂.

快速回复 返回顶部 返回列表