| Life on our twin planet |
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Now scientists are looking for life on our twin planet. Large radio telescopes in the U.S. will now examine whether there is intelligent life on the newly discovered planet Kepler-22b. Scientists who look for extraterrestrial intelligent life has now been given a specific target to direct their radio telescopes against.
It is the newly discovered planet Kepler-22b , which is expected to be able to sustain life.
It revolves around a star similar to the Sun is estimated to have a temperature of 22 degrees Celsius. Therefore it has been called our twin planet.
Now the big radiotelskopet Allen Telescope Array, ATA, U.S. aligns with
Kepler 22-b to look for radio signals. Hypothesis among researchers is
that there are intelligent civilizations in the universe, they may have
discovered radio technology and transmits signals that reach all the way
to Earth.
This quest takes place in several different organizations that use the
common term SETI, Search for Extra-Terrestrial Intelligence.
So far, researchers have been looking pretty open mind after these radio signals.
But now we first direct our telescope at stars that we know have our own
planetary system of which at least one has been shown to resemble the
earth, says Jill Tarter, director of SETI Research, in a press release
from the SETI Institute, which operates radio telescope ATA.
There, the 42 antennas in the next two years systematically examine
Kepler-22b and the other planets found by NASA's Kepler Space Telescope.
The search is done in the frequency range 1-10 GHz, where ATA is able to simultaneously scan tens of millions of channels with bandwidth of 1 Hz. |
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