Presenting Earth’s newly discovered ‘older cousin’ Kepler-452b

&Tab;&Tab;<div class&equals;"wpcnt">&NewLine;&Tab;&Tab;&Tab;<div class&equals;"wpa">&NewLine;&Tab;&Tab;&Tab;&Tab;<span class&equals;"wpa-about">Advertisements<&sol;span>&NewLine;&Tab;&Tab;&Tab;&Tab;<div class&equals;"u top&lowbar;amp">&NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;<amp-ad width&equals;"300" height&equals;"265"&NewLine;&Tab;&Tab; type&equals;"pubmine"&NewLine;&Tab;&Tab; data-siteid&equals;"111265417"&NewLine;&Tab;&Tab; data-section&equals;"2">&NewLine;&Tab;&Tab;<&sol;amp-ad>&NewLine;&Tab;&Tab;&Tab;&Tab;<&sol;div>&NewLine;&Tab;&Tab;&Tab;<&sol;div>&NewLine;&Tab;&Tab;<&sol;div><p>Spinning around a sun-like star 1&comma;400 light years away is a planet scientists believe is not too distinct from ours&period; Its parent star is 1&period;5 billion years older than our own&comma; meaning any creatures there could be far more advanced than they are on Earth&period;<&sol;p>&NewLine;<p>But that&comma; of course&comma; is a big if&period; Kepler-452b is a world 60&percnt; larger than Earth&comma; and occupies its sun’s &OpenCurlyDoubleQuote;habitable zone” – the orbital region where temperatures are mild enough to be suitable for life&period;<&sol;p>&NewLine;<p>All of this makes the planet&comma; which lies in the constellation Cygnus&comma; a good candidate for scientists involved in the Search for Extra Terrestrial Intelligence &lpar;Seti&rpar;&period;<&sol;p>&NewLine;<p>News of Kepler-452b’s discovery was released by astronomers operating Nasa’s Kepler space telescope&period;<&sol;p>&NewLine;<p>Dr Jon Kenkins&comma; from Nasa’s Ames Research Centre in Moffett Field&comma; California&comma; said&colon; &OpenCurlyDoubleQuote;We can think of Kepler-452b as an older&comma; bigger cousin to Earth&comma; providing an opportunity to understand and reflect upon Earth’s evolving environment&period;<&sol;p>&NewLine;<p>&OpenCurlyDoubleQuote;It’s awe-inspiring to consider that this planet has spent six billion years in the habitable zone of its star&comma; longer than Earth&period; That’s substantial opportunity for life to arise&comma; should all the necessary ingredients and conditions for life exist on this planet&period;”<&sol;p>&NewLine;<p><a href&equals;"http&colon;&sol;&sol;londonglossy&period;com&sol;wp-content&sol;uploads&sol;2015&sol;07&sol;image324&period;jpg"><img src&equals;"http&colon;&sol;&sol;londonglossy&period;com&sol;wp-content&sol;uploads&sol;2015&sol;07&sol;image324&period;jpg" alt&equals;"Kepler-452b" width&equals;"600" height&equals;"423" class&equals;"aligncenter size-full wp-image-77925" &sol;><&sol;a><&sol;p>&NewLine;<p>Evidence suggests the new planet is rocky&comma; like the Earth&period; Its 385-day orbit is only 5&percnt; longer than an Earth year&period;<&sol;p>&NewLine;<p>Ground-based observations from three US observatories confirmed that Kepler-452b was a planet and helped to pin down its size and orbit&period;<&sol;p>&NewLine;<p>Another 521 yet-to-be confirmed exoplanet candidates were also unveiled by the Kepler team&period;<&sol;p>&NewLine;<p>Analysis of data from May 2009 to May 2013 has increased the number of potential planets identified by the space telescope to 4&comma;696&period;<&sol;p>&NewLine;<p>Twelve of the new candidates have diameters between one and two times that of the Earth and orbit in their star’s habitable zones&period;<&sol;p>&NewLine;<p>The &OpenCurlyDoubleQuote;Goldilocks” zone is defined as an orbital path that is not too hot or cold&comma; but just the right distance from a star to permit liquid surface water&period;<&sol;p>&NewLine;<p>John Grunsfeld&comma; associate administrator of Nasa’s Science Mission Directorate in Washington DC&comma; said&colon; &OpenCurlyDoubleQuote;On the 20th anniversary year of the discovery that proved other suns host planets&comma; the Kepler exoplanet explorer has discovered a planet and star which most closely resemble the Earth and our sun&period;<&sol;p>&NewLine;<p>&OpenCurlyDoubleQuote;This exciting result brings us one step closer to finding an Earth Two&period;”<&sol;p>&NewLine;<p><a href&equals;"http&colon;&sol;&sol;londonglossy&period;com&sol;wp-content&sol;uploads&sol;2015&sol;07&sol;image325&period;jpg"><img src&equals;"http&colon;&sol;&sol;londonglossy&period;com&sol;wp-content&sol;uploads&sol;2015&sol;07&sol;image325&period;jpg" alt&equals;"Kepler-452b" width&equals;"600" height&equals;"730" class&equals;"aligncenter size-full wp-image-77926" &sol;><&sol;a><&sol;p>&NewLine;<p>Its discovery comes in the week when Professor Stephen Hawking helped launch a new £64 million project to hunt for radio signals from alien civilisations&period;<&sol;p>&NewLine;<p>Speaking at the launch of Breakthrough Listen&comma; which will use two of the world’s most powerful radio telescopes to scour thousands of stars for intelligent transmissions over 10 years&comma; Prof Hawking said&colon; &OpenCurlyDoubleQuote;We believe that life arose spontaneously on Earth so in an infinite universe there must be other occurrences of life&period;<&sol;p>&NewLine;<p>&OpenCurlyDoubleQuote;Somewhere in the cosmos&comma; perhaps&comma; intelligent life may be watching these lights of ours aware of what they mean&period; Or do our lights wander a lifeless cosmos&comma; unseen beacons announcing that here on our rock&comma; the universe discovered its existence&quest;<&sol;p>&NewLine;<p>&OpenCurlyDoubleQuote;Either way&comma; there is no bigger question&period; It is time to commit to finding the answer – to search for life beyond Earth&period;”<&sol;p>&NewLine;<p>He went on to warn of the possible risks involved in making contact with a much more advanced race of intelligent beings&period;<&sol;p>&NewLine;<p>&OpenCurlyDoubleQuote;A civilisation reading one of our messages could be billions of years ahead&comma;” said Prof Hawking&period; &OpenCurlyDoubleQuote;If so&comma; they will be vastly more powerful and may not see us as any more valuable than we see bacteria&period;”<&sol;p>&NewLine;<p>Kepler’s new findings will be submitted for publication in the Astrophysical Journal&period;<&sol;p>&NewLine;&Tab;&Tab;&Tab;<div style&equals;"padding-bottom&colon;15px&semi;" class&equals;"wordads-tag" data-slot-type&equals;"belowpost">&NewLine;&Tab;&Tab;&Tab;&Tab;<div id&equals;"atatags-dynamic-belowpost-68cd37c0b11a6">&NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;<script type&equals;"text&sol;javascript">&NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;window&period;getAdSnippetCallback &equals; function &lpar;&rpar; &lbrace;&NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;if &lpar; false &equals;&equals;&equals; &lpar; window&period;isWatlV1 &quest;&quest; false &rpar; &rpar; &lbrace;&NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&sol;&sol; Use Aditude scripts&period;&NewLine;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;&Tab;window&period;tudeMappings &equals; 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