In 2012 was published fighters film an image taken by Hubble, called eXtreme Hubble Deep Field, who

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The Hubble Space Telescope, whose symbol is the name in English HST Hubble Space Telescope is a telescope that orbits the Earth at an altitude of about 560 km The HST is a joint project of NASA (National Agency for the activities Space and Aeronautics) and ESA (European Space Agency).
The extraordinary feature of the Hubble Space Telescope is that it has allowed us to overcome fighters film the limit that has affected astronomers since the time of Galileo Galilei, which is the Earth's fighters film atmosphere, which distorts the images captured fighters film by telescopes positioned on the Earth's surface. The HST instead, being above the atmosphere, allows the observation of celestial bodies with more sharpness.
It 'so named in honor of the astronomer and astrophysicist at the American astronomer fighters film Edwin Hubble, known in the scientific community in 1929 for having formulated the empirical law of "redshift" ("Moving fighters film toward red"), now called "Hubble's Law". Specifications
The telescope fighters film has a mass of about 11 tons, is 13 meters long and 4m wide and is a real eye in the sky in a position to observe the Universe. It consists of a reflector telescope with two mirrors: the main has a diameter of 2.4 meters and is equipped with cameras that allow you to see and capture distant celestial objects billions of light years from us. The rotating devices that orient and stabilize the telescope, gyroscopes, three. It is powered by the energy generated by its two solar panels and each complete orbit around the Earth takes about 95 minutes.
Hubble is equipped with a double planetary Angle lens allows you to shoot high-resolution planets and an instrument called a spectrograph, which breaks the light captured by the telescope in the various frequencies that compose it. The spectrum analysis allows the analysis of fundamental information that relate to a celestial body, such as its chemical composition, the temperature, the speed of rotation and magnetic fields. It 'also equipped room for observations in the infrared fighters film and faint objects.
The data collected by Hubble, as well as the operational commands, are sent to Earth via the Tracking Data Relay Satellite Station located in White Sands, New Mexico. The onboard computer can store commands for more than 24 hours and the data collected by Hubble may be sent to the station to Earth directly or stored and transmitted later.
The telescope was launched into orbit April 24, 1990 on the STS-31 Space Shuttle Discovery. The crew of mission, consisting of the U.S. astronauts fighters film Col. Loren J. Shriver (commander), Col. Charles F. Bolden (pilot), Captain Bruce McCandless, Dr. Steven A. Hawley, Dr. Kathryn fighters film D. Sullivan (mission specialists), placed it in the outer layers of the atmosphere.
The first results were not what we expected because the primary mirror of the telescope was suffering from spherical aberration due to a manufacturing defect: they were out of focus and distorted images. The defect was corrected in 1993 with a space mission during which astronauts setting up a series of corrective lenses. Other missions carried out by astronauts on space walk was performed to repair or replace equipment failures with other more advanced fighters film features. In subsequent years, the Hubble telescope has given us spectacular images of distant celestial objects, making his eyes on the universe of humanity.
Hubble, with its many discoveries and hundreds of thousands of astronomical images exceptional fighters film helped human beings to perfect their vision of the universe. Through his eyes showed us the wonder of the cosmos, in front of which remain enthralled. fighters film His are the images fighters film of the 1994 collision fighters film of comet Shoemaker-Levy 9 with the planet Jupiter, and was the first optical telescope fighters film that has captured the first image of an extrasolar planet, called Fomalhaut b, about 25 light years from Earth.
In 2012 was published fighters film an image taken by Hubble, called eXtreme Hubble Deep Field, who gave us a very deep view of the universe, the deepest ever obtained: the picture shows a small region of space containing less luminous galaxies and most distant ever seen, obtained thanks to the images taken by the telescope in 10 years. The universe, according to the most recent estimates, has about 13.8 billion years old and galaxies observable nell'immagin