Hunting for Exomoons That May Host Alien Life2 min read

The search for alien life doesn’t end within the boundaries of our solar system.Scientists are now search for moons orbiting alien planets that might play host to extraterrestrial life.

Astronomers are fascinated by exoplanets and the possibility of life on these worlds. Should they also focus on exomoons? Ian O’Neill from Discovery News explores the possibility of alien life and oceans on the moons of other planets.
exomoon

A new project called the Hunt for Exomoons with Kepler (HEK) is the first systematic search for exomoons, or moons that circle planets outside our solar system. HEK astronomers, led by David Kipping at the Harvard-Smithsonian Center for Astrophysics, simulate billions of possible star-planet-moon arrangements using NASA’s Pleiades Supercomputer.

They then compare the results with actual data taken with NASA’s Kepler telescope, which monitors the brightness of stars in an effort to find exoplanets that could harbor life. If one of the simulated combinations matches the Kepler data, that area warrants further exploration.

So far, the team has surveyed 56 of about 400 Kepler planet candidates that could have an exomoon. Surveying the remaining 340 would require 50,000 processing hours per object and nearly a decade on a smaller computer.

The Pleiades Supercomputer, which performs over 3 quadrillion calculations per second, knocks that number down to 30,000 processing hours per object and should complete the project in two years.

“For each planet where we don’t discover an exomoon, we are able to say how massive a moon is excluded by the current data, telling us about our sensitivity,” Kipping said in a statement.

HEK scientists compare the exomoons they’re searching for to the moon Pandora in Avatar. But unlike a science-fiction film that depicts complicated and evolved societies, astronomers say signs of life on an exomoon could be as simple as “some form of primitive biology.”

And life on one moon could mean life on many more.

“If such habitable moons are possible, then there could even be more habitable moons than habitable planets,” HEK scientists said on their website.

Although astronomers spotted what might be an exomoon in April 2014, scientists have not confirmed their existence.

 

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Sebastien Clarke

Astronaut is dedicated to bringing you the latest news, reviews and information from the world of space, entertainment, sci-fi and technology. With videos, images, forums, blogs and more, get involved today & join our community!
Sebastien Clarke
Sebastien Clarke

Astronaut is dedicated to bringing you the latest news, reviews and information from the world of space, entertainment, sci-fi and technology. With videos, images, forums, blogs and more, get involved today & join our community!

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