A new view of the cosmos: 20 years of Hubble
14 years, 10 months ago

A new view of the cosmos: 20 years of Hubble

The Hindu  

There is hardly any other scientific instrument in the world that can match the Hubble telescope in fame. “It has achieved much more than anyone thought possible,” says Robert Fosbury, the head of the European Space Agency’s team that coordinates with NASA on the Hubble telescope. “Hubble has given us access to completely new areas of astronomy.” That growth in knowledge is illustrated by the work done by Hubble on distant worlds, known as extrasolar planets, such as stars. “When Hubble began operation the most distant objects that humans could see were about halfway to the origin’s of the universe,” says Fosbury. The project hit a major setback two months after launch when Hubble’s 2.4—metre—wide primary mirror, which was lauded as the “flattest mirror in the world,” was shown to have been made in the wrong shape.

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