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Since the first man looked at the sky and realized that the stars and the moon were moving, astrological observation began to transform the way we saw ourselves. The change continued with Galileo, Einstein, History and countless other individuals who seek to unravel the mysteries of the cosmos. The work of these men was made possible by the different tools they had at hand.
The telescope Hubble it was one of the instruments that most impelled man in this search. For more than a generation, stunning images of the Hubble brought the beauty of the skies to millions of human beings, revealing a universe richer and more wonderful than we imagined. For all this, the construction of its substitute – James Webb Space Telescope (JWST) – always generated a lot of expectations.
A NASA hopes to launch in 2018 and a new documentary produced by Discovery Channel titled Telescope promises to bring viewers backstage at NASA, revealing the drama and importance of construction that marked its construction. O James Webb Space Telescope is largest space telescope ever built and was designed to search the cosmos deeply, from the first spark of light produced by the universe.
The telescope must also be able to find and characterize the planets circling other stars with the help of ground-based telescopes. This search for new celestial bodies with specific characteristics could lead to the discovery of Earth's first true "twin planet". More than that, the telescope successor Hubble must change the way we see the universe.
In orbit for 25 years (read our article about the date), Or Hubble collects most of your data from the recognition of lengths of ondas ultraviolet and visible. The James Webb Space Telescope will scan the cosmos with infrared radiation, making it possible to see part of the invisible spectrum for humans.
Although the construction program is in constant progress, there are still many difficulties in getting the new telescope to work. First, you need to launch your main platform to 1 million miles away from Earth (about 1,6 million kilometers). Then he'll need to properly install his instruments, sunscreen, and a huge mirror without direct human assistance.
To be placed in orbit, the Hubble traveled with Space Shuttle Discovery, and on STS-31 mission. Due to distances, it is not possible to do the same procedure with the James Webb Space Telescope. According to the documentary, there is only one chance of success (“one strike and you're out“), which makes the work of scientists and engineers even more important.
With estimated cost in over 8 billion dollars, the challenges involved in building the James Webb Space Telescope can be seen in the documentary Telescope, that debut on Discovery Channel on February 20 at 21 pm. Andthen the documentary will air on Science Channel on February 21, also at 21:00 pm.
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