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출처 | 2 Betelgeuse, Wikipedia: https://en.wikipedia.org/wiki/Betelgeuse Accessed 22nd September 2014. 3 Spacecraft escaping the Solar System, Heavens Above: http://www.heavens-above.com/solar-escape.asp Accessed 4th July 2010. 4 Lambda Aquilae, Wikipedia: http://en.wikipedia.org/wiki/Lambda_Aquilae Accessed 4th July 2010. 5 "The team predicts that even in a bone at an ideal preservation temperature of −5 ºC, effectively every bond would be destroyed after a maximum of 6.8 million years." See DNA has a 521-year half-life, Nature: http://www.nature.com/news/dna-has-a-521-year-half-life-1.11555 Accessed 7th October 2013. 6 The World Without Us, Alan Weisman: https://www.kirkusreviews.com/book-reviews/alan-weisman/the-world-without-us/ Accessed 20th May 2012. 7 Phobos Might Only Have 10 Million Years to Live, Universe Today: http://www.universetoday.com/2008/05/13/phobos-might-only-have-10-million-years-to-live/ Accessed 1st July 2010. 8 LAGEOS-1, -2, NASA/International Laser Ranging Service (ILRS): http://ilrs-test.gsfc.nasa.gov/missions/satellite_missions/lag1_general.html Accessed 7th October 2012. 9 Explosive Nearby Star Could Threaten Earth, Space.com: http://www.space.com/scienceastronomy/100104-aas-close-supernova.html Accessed 6th January 2010. 10 Magnetic 'Force Field' Shields Giant Gas Cloud During Collision With Milky Way, Science Daily: http://www.sciencedaily.com/releases/2013/10/131031153459.htm Accessed 1st November 2013. 11 Giant cloud heading for Milky Way originated from within our galaxy, Future Timeline Blog: http://www.futuretimeline.net/blog/2016/01/30.htm Accessed 30th January 2016. 12 The shockwaves will set off a tremendous burst of star formation. These stars will be massive, rushing through their lives quickly and exploding as supernova. "Over a few million years, it'll look like a celestial New Year's celebration, with huge firecrackers going off in that region of the galaxy," said Dr Lockman. See Huge gas cloud will hit Milky Way, BBC: http://news.bbc.co.uk/1/hi/7184521.stm Accessed 1st November 2013. 13 Dinosaur extinction link to crater confirmed, BBC News: http://news.bbc.co.uk/1/hi/8550504.stm Accessed 28th September 2010. |
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