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Fifteen New Planets Discovered in Habitable Zones --"Earth-Sized Moons Prime Life Candidates"




Fifteen new planets have been discovered orbiting in the habitable zones of other stars by volunteers from the Oxford University-led Zooniverse project, adding to the 19 similar planets already discovered in habitable zones, where the temperature is neither too hot nor too cold for liquid water. The new finds suggest that there may be a 'traffic jam' of all kinds of strange worlds in regions that could potentially support life.

'There's an obsession with finding Earth-like planets but what we are discovering, with planets such as PH2 b, is far stranger,' said Zooniverse lead Dr Chris Lintott of Oxford University. 'Jupiter has several large water-rich moons - imagine dragging that system into the comfortably warm region where the Earth is. If such a planet had Earth size moons, we'd see not Europa and Callisto but worlds with rivers, lakes and all sorts of habitats - a surprising scenario that might just be common.'

Rather than being seen directly, the new planet candidates were found by volunteers looking for a telltale dip in the brightness as planets pass in front of their parent stars. One of the 15, a Jupiter-sized planet orbiting a Sun-like star, has been officially confirmed as a planet (with 99.9% certainty) after follow-up work with the Keck telescope in Hawai'i and has been named 'PH2 b'. It is the second confirmed planet to be found by

 'We are seeing the emergence of a new era in the Planet Hunters project where our volunteers seem to be at least as efficient as the computer algorithms at finding planets orbiting at habitable zone distances from the host stars," said Planethunters lead scientist Professor Debra Fisher of Yale University. "Now, the hunt is not just targeting any old exoplanet - volunteers are homing in on habitable worlds.'

Lead author Dr Ji Wang, also of Yale University, said: 'We can speculate that PH2 b might have a rocky moon that would be suitable for life. I can't wait for the day when astronomers report detecting signs of life on other worlds instead of just locating potentially habitable environments. That could happen any day now.'

 'These are planet candidates that slipped through the net, being missed by professional astronomers and rescued by volunteers in front of their web browsers," said Lintott." It's remarkable to think that absolutely anyone can discover a planet.'

“In general, we have shown that we are not quite as unique as we once thought. Our solar system closely resembles other observable planetary systems within our galaxy. In this way, our results serve to corroborate other research results which indicate that earth-like planets are more widespread in the universe than previously believed,” says Professor Martin Bizzarro, head of the Centre for Star and Planet Formation at University of Copenhagen.

A report of the research has been submitted to the Astrophysical Journal and is released via

The Daily Galaxy via the website


too impressed at the discovery and happy at the possibilities ,hope someday i make a home on PH2 b

I understand why scientists look for "earth-like" planets and conditions for life, however I believe we shouldn;t limit our selves to these conditions. Let's not forget, life needs "earth-like" conditions because it evolved on earth to begin with. Maybe life on another planet has evolved to NOT need H2O or the warmth of a star or even a ground to stand on.

Soon it will be like the Indian tribes in the Amazon forest, lucky are the one who are not discovered.

I'm confused. If the moon/planet is in what we define as the habitable zone (a band around 1 AU?)and orbiting a gas or rock giant wouldn't the habitable zone no longer be habitable? Surely the tidal gravitational effects of the gas or rock giant on the moon/planet would require a revision of the distance of the habitable zone from it's parent star due to the combined effects of gravity (from the gas/rock giant)and radiation (from the star? I thought the expansion/contraction caused by gravity of Jupiters moons is how comsologists believe it could be warm enough to host liquid water on moons such as Europa?


I have natural belief since my boyhood that there must be unlimited earth like
planets in the Universe. Scientists are now proving that things.I am very eagerly
looking for the discoveries.
No doubt that this universe is infinite. So we will get infinite numbers of exo planets. I wish we will be able to reach there.We are in the age of amazing exploration. Salute to all the scientists.

update me about the new planets discovered

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