{"id":38823,"date":"2017-12-16T06:03:34","date_gmt":"2017-12-16T06:03:34","guid":{"rendered":"http:\/\/www.bnreport.com\/star-system-has-record-eight-exoplanets-2\/"},"modified":"2017-12-16T06:03:37","modified_gmt":"2017-12-16T06:03:37","slug":"star-system-has-record-eight-exoplanets-2","status":"publish","type":"post","link":"https:\/\/www.bnreport.com\/en\/star-system-has-record-eight-exoplanets-2\/","title":{"rendered":"Star system has record eight exoplanets"},"content":{"rendered":"

Nasa has found a distant star circled by eight planets, equal to the complement in our own Solar System.<\/p>\n

It's the largest number of worlds ever discovered in a planetary system outside our own.<\/p>\n

The star known as Kepler-90, is just a bit hotter and larger than the Sun; astronomers already knew of seven planets around it.<\/p>\n

The newly discovered world is small enough to be rocky, according to scientists.<\/p>\n

"This makes Kepler-90 the first star to host as many planets as our own Solar System," said Christopher Shallue, a software engineer at Google, which contributed to the discovery.<\/p>\n

Star's seven Earth-sized worlds set record<\/a><\/p>\n

Engineers from Google used a type of artificial intelligence called machine learning to find planets that were missed by previous searches. <\/p>\n

The discovery was based on observations gathered by Nasa's Kepler Space Telescope.<\/p>\n

Its parent star is very distant, lying 2,545 light-years away. But its planetary system appears to be ordered in a similar way to our own.<\/p>\n

Andrew Vanderburg, a co-discoverer at the University of Texas at Austin, said: "The Kepler-90 star system is like a mini version of our Solar System. You have small planets inside and big planets outside, but everything is scrunched in much closer."<\/p>\n

To give a sense of how close, the outermost planet in the system orbits at around the same distance the Earth does from the Sun.<\/p>\n

Because the new world, dubbed Kepler-90i, is so much further in \u2013 it completes one circuit of its star every 14.4 days \u2013 it's estimated to have a scorching hot surface temperature of around 425C.<\/p>\n

The machine learning technique was also used to find a new Earth-sized planet, called Kepler 80g, around a different star. <\/p>\n

Some 3,500 exoplanets \u2013 worlds circling other stars \u2013 have been documented in recent decades. <\/p>\n

Follow Paul on Twitter.<\/a><\/p>\n

<\/a><\/strong> <\/a><\/p>\n

Original Article<\/a><\/p>\n

[contf] [contfnew] <\/p>\n

BBC<\/a><\/h5>\n

[contfnewc] [contfnewc] <\/p>\n

The post Star system has record eight exoplanets<\/a> appeared first on News Wire Now<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

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