false http://photo.goodreads.com/books/1167351356m/22542.jpg 22542 6 Merlin, a fictional visitor from the Andromeda Galaxy, Planet Omniscia, has been friends with many of the most important scientific figures of the past including Kepler, da Vinci, Magellan, Doppler, Einstein and Hubble. In this delightful tour of the galaxies, Merlin often recounts his conversations with these historical figures in his responses to popular astronomy questions asked by adults and children alike. Merlin's well-informed answers combine a unique combination of wit and poetry along with serious science explained in refreshingly clear, reader-friendly language.<br><br><br><br>Dear Merlin: Can a person cross our galaxy in a spaceship during one human lifespan?<br><br><br><br>Merlin: In 1905, Merlin's good friend Albert Einstein introduced the "Special Theory of Relativity," which predicts that time will tick slower and slower the faster you travel. Were you to embark on such an adventure you could conceivably age as little as you wish, depending of course, on your exact speed. The problem arises when you return to Earth, which will have moved several hundred thousand years into the future and everyone will have forgotten about you.<br><br><br><br>A skywatcher's book for lovers of the universe by one of its greatest lights. 23563 1989 Merlin's Tour of the Universe total:11|5:0|4:9|3:1|2:1|1:0| 11 41 30 2 22542 0385488351 9780385488358 11 2 3.73 http://photo.goodreads.com/books/1167351356m/22542.jpg http://www.goodreads.com/book/show/22542.Merlin_s_Tour_of_the_Universe 4 0 false Sat Oct 10 00:00:00 -0700 1992 Tue Apr 07 13:12:14 -0700 2009 Tue Apr 07 13:20:22 -0700 2009 22542 0385488351 9780385488358 11 2 3.73 http://photo.goodreads.com/books/1167351356m/22542.jpg http://www.goodreads.com/book/show/22542.Merlin_s_Tour_of_the_Universe 4 0 false Sat Feb 09 00:00:00 -0800 2008 Fri Dec 28 10:36:29 -0800 2007 Sat Feb 09 13:54:54 -0800 2008 22542 0385488351 9780385488358 11 2 3.73 http://photo.goodreads.com/books/1167351356m/22542.jpg 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