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16th June 2022
06:00pm BST
An illustration of the planets/Via NASA[/caption]
The scientists were able to shorten the time it would usually take to find a system by relying on star surveys. HD 260655 was featured in a survey taken by the High Resolution Echelle Spectrometer (HIRES) in 1998.
The planets are not livable unless you can survive in temperatures that prevent liquids from forming. As the planets are so close to their star, the surface of the inner planet is estimated to be around 436 degrees Celsius, while the other is 286 degrees Celsius.
As Michelle Kunimoto, a postdoc in MIT's Kavli Institute for Astrophysics and Space Research and one of the discovery's lead scientists, explained: "We consider that range outside the habitable zone, too hot for liquid water to exist on the surface."
[caption id="attachment_342308" align="alignnone" width="2048"]
Via Unsplash[/caption]
MIT scientist Avi Shporer said it was "optimistic thinking" to believe that a habitable planet could be out there.
HD 260655 is close enough to us for researchers to analyse the planet's atmosphere, which the scientists attribute to the star's brightness.
"Both planets in this system are each considered among the best targets for atmospheric study because of the brightness of their star," said Kunimoto. "Is there a volatile-rich atmosphere around these planets? And are there signs of water or carbon-based species? These planets are fantastic test beds for those explorations."
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