Here's how you could discover a hidden planet - without even stepping foot outside
A call has been made for armchair astronomers to help join the search to find hidden planets.
The online citizen project is enlisting the help of the public to examine five years’ worth of digital footage showing some of the brightest stars in the sky.
The footage was captured by 12 Planet Hunters Next-Generation Transit Search (NGTS) robotic telescopes based at the European Southern Observatory (ESO) Paranal Observatory in Chile.
But now researchers need the assistance of the human eye to take a closer look.
Queen’s University Belfast is one of the key partners in the project.
Dr Meg Schwamb an astronomer in the School of Mathematics and Physics at Queen’s University Belfast said: “If the orbit of an exoplanet is seen at just the right angle from Earth, we may observe the planet passing directly in front of its host star, known as a transit.
“This causes the planet to periodically block a portion of the starlight we observe, and the star appears to dim ever so slightly for a few hours."
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Dr Schwamb added that every 10 seconds, the NGTS telescopes capture the light from thousands of stars in the sky.
“Computers are searching through the NGTS observations looking for the tell-tale repeated dips in starlight due to planet transits.
"The automated algorithms produce lots and lots of possible candidate transit events that need to be reviewed by the NGTS team to confirm whether they are real or not.
“Most of the things spotted by the computers are not due to exoplanets, but a small handful of these candidates are new bona fide planet discoveries,” she said.
Professor Christopher Watson, deputy head of the School of Mathematics and Physics at Queen’s, said they want the public’s help to sift through the observations flagged by their algorithms to search for possible hidden planets not found in the first review.
“Most planets in the data will have already been found by the NGTS team, but volunteers just might be the first on this planet to find a brand-new world orbiting another star in our galaxy,” he said.
There is no application process to join the Planet Hunters NGTS project.
Anyone with a web browser can start searching for these possible hidden worlds and helping to check the best candidate planets identified on the website.