James Webb Space Telescopes

The James Webb Space Telescopes (JWST), in the past called the Next Generation Space Telescope (NGST), is a project of Télescope of NASA with the assistance of the European space agency (ESA) and Canadian Space agency (SCUMS). It must succeed in June 2013 the Space telescope Hubble.

History

In 2002, it was famous James Webb Space Telescope , in homage to the second administrator of NASA, James E. Webb.

Characteristics

Of a mass of approximately 6200  kg, it should be put into orbit by means of a ARIANE 5 ECA, with 1,5  million km of the Earth with L2 , the second Not of Lagrange.

Its reflecting primary of a diameter of 6,5  m approximately and of a mass of 705  kg, is composed of 18 hexagonal elements in Béryllium, three times the diameter of the Hubble space telescope.

Its To be able of resolution reached 0,1  Second of arc in the Infra-red field (0,6  à  27 Micron wavelength).

See too

External bond

  • Official site
  • Article on the site of BBC News

Zh-yue: 詹姆士·韋伯太空望遠鏡

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