Sunday, January 4, 2015

Observations show that primordial universe ready for exploration. GRB 090423 gamma (γ) radiation su


Observations show that primordial universe ready for exploration. GRB 090423 gamma (γ) radiation su32 from the Big Bang explosion occurred only 630 million years later. The two teams have witnessed a large explosion occurred in a remote corner of our primordial universe. Such γ-ray bursts su32 occur when massive stars explode only certain severe. The most recent eruptions, but 630 years after the Big Bang (13.1 billion years ago today), and such explosions have occurred explosion broke the previous record for the youngest explosion -a displayed from 825 million years after the Big Bang occurred. NASA's Swift space telescope, which he placed, called GRB 090423 was displayed in the April 23 explosion. Nial Tanvir of the University of Leicester United Kingdom "Gamma-ray bursts are quite rare," he says. Swift telescope to determine the approximate 100 of them a year. Tanvir "It is hard work to identify them," he says. Telescope su32 news automatically sent back to Earth. Tanvir, "The spacecraft has sent us a message," he says. After receiving a call from Swift observations, astronomers watched with telescopes on Earth must be obtained from the explosion to quickly decide whether to watch. Tanvir's team to follow about 20 minutes after the explosion of the first appearance of the moment United Kingdom Infrared Telescope in Hawaii, both of which the (United Kingdom Infrared Telescope- UKIRT) and they used the Gemini North telescope eight meters. Telescopes in use for long periods of strong winds made it dangerous to ukırt could damage it. Tanvir "That night the weather was very bad indeed," he says. Thereupon Tanvir and his team, the same team to watch next luminescence from the explosion Atacama located vlt'y in the Desert (Very Large Telescope - Very Large Telescope) waited until the night in Chile used remotely. Telescopio Nazionale Galileo on La Palma have used in the meantime to watch a team led by Ruben Salvaterra explosion from the National su32 Astrophysics Institute of the Canary Islands in Italy Merate. Explosion excitement Both teams measured the spectrum of light from the gamma-ray burst, and both the same thing, he realized that it was missing the light below a certain wavelength. Salvaterra, su32 "The light is only visible until we noticed a micrometer; There were no lights under it, "he says. This cut along the line of sight between the light of the world and object to be due to absorption by hydrogen. This brings to mind that the light from the explosion had come a long way. Sets the light of these observations su32 "redshift" s the -ışıg could use to calculate a measure indicating how much distance greater. Light, as long as the meat is extended trip to Earth because the universe is expanding. Elongation leads to more red light at the end of the electromagnetic spectrum su32 appear too large to slip -kırmızı what object is so far away. GRB red shift of light from 090 423 was 8.2. NASA News of red around 8 pm
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