Astronomers have discovered a planet similar to Earth

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Scientists at the European Southern Observatory (ESO) have discovered the second nearest planet to Earth, outside our solar system.

That exoplanet, called Proxima b, orbits around the red dwarf star Proxima Centauri.

Confirmation of Barnard's Star b is unlikely to come from additional radial-velocity measurements, Diaz wrote. As for the possibility of life on Bernard's Star b, the planet is "way too cold" to sustain liquid water, Ribas says, and whether life may be frozen beneath an ocean is just speculation at this point. The planet, loaded with ice, is located approximately six light-years away from our sun and contains a temperature of 150 degrees Celsius below zero. An worldwide team has announced that it has found good evidence of the existence of a frozen exoplanet that is at least three times larger than the Earth and which moves around nearby Barnard's star, about six light years away from our own planet.

Barnard's star appears to move across the Earth's night sky faster than any other star.

But since Barnard's Star is a red dwarf, a small and cooling star probably about twice as old as the Sun, it produces relatively little light making it hard to discern any bodies in its orbit.

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"After a very careful analysis, we are over 99 percent confident that the planet is there, since this is the model that best fits our observations", said Ignasi Ribas, astronomer at the Institute of Space Sciences in Spain.

Barnard's Star b is the second nearest to the Sun exoplanet. The researchers re-examined archive data obtained over a 20-year period, and added new observations with the latest generation of instruments.

If the recent news of a potential alien spacecraft entering our solar system wasn't enough, it now looks likely that there could even be a bigger, better human civilisation not so far away from us - so get excited (or slightly scared), people.

"The additional data from CARMENES strongly confirmed the signal, and removed any lingering doubt as to the reality of this planet", Vogt said.

The team used the method called radial velocity, which uses the Doppler shifts of a star's light to measure the tug of a nearby planet. "This is the result of a large collaboration organized in the context of the Red Dots project, which is why it has contributions from teams all over the world including semi-professional astronomers coordinated by the American Association of Variable Star Observers".

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