20200424 由哈勃太空望远镜拍摄的大麦哲伦星云 必应壁纸

大麦哲伦星云 由哈勃太空望远镜拍摄的大麦哲伦星云 在1990年的这一天，哈勃太空望远镜进入了发现号航天飞机的货舱轨道。此后不久，它开始了其持续的任务，即从低地球轨道捕获我们的宇宙图像，而没有云层的阻碍和大气的扭曲。就像它的同名天文学家爱德温·哈勃（Edwin Hubble）一样，哈勃太空望远镜改变了我们对宇宙的理解。望远镜的一些最大贡献包括它的“深场图像”（可追溯数十亿光年）或它令人jaw目结舌的离家较近的物体的图像，例如今天首页上的图像，其中显示出一团团炽热的气体和深色尘埃银河系的卫星星系之一，大麦哲伦星云。

美国航空航天局（NASA）估计，哈勃的任务将再持续10-20年。明年，詹姆斯·韦伯太空望远镜将把它送入轨道，该望远镜将能够观测到更远的太空，并在更大的波长范围内具有更高的灵敏度。

原文:

On this day in 1990, the Hubble Space Telescope entered orbit in the cargo bay of the space shuttle Discovery. Shortly thereafter, it began its continuing mission to capture images of our universe from low Earth orbit, free of the obstructions of clouds and the distortions of the atmosphere. Like its namesake, the great astronomer Edwin Hubble, the Hubble Space Telescope has transformed our understanding of the cosmos. Some of the telescope's greatest contributions include its Deep Field Images—which peer back billions of lightyears—or its with jaw-dropping images of objects closer to home, like the one on today's homepage, which shows a maelstrom of glowing gas and dark dust within one of the Milky Way's satellite galaxies, the Large Magellanic Cloud.NASA estimates that Hubble's mission will continue for another 10-20 more years. Next year, it will be joined in orbit by the James Webb Space Telescope, which will be able to peer even farther into space and with greater sensitivity across more wavelengths.

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