With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Neil deGrasse Tyson wrote a book.
text_B: Neil deGrasse Tyson -LRB- -LSB- ˈniːl dəˈɡræs ˈtaɪsən -RSB- born October 5 , 1958 -RRB- is an American astrophysicist , author , and science communicator .. astrophysicist. astrophysics. author. author. science communicator. science communication. Since 1996 , he has been the Frederick P. Rose Director of the Hayden Planetarium at the Rose Center for Earth and Space in New York City .. Frederick P. Rose. Frederick P. Rose. Rose Center for Earth and Space. Rose Center for Earth and Space. The center is part of the American Museum of Natural History , where Tyson founded the Department of Astrophysics in 1997 and has been a research associate in the department since 2003 .. Astrophysics. Astrophysics. American Museum of Natural History. American Museum of Natural History. Natural History. Natural History ( magazine ). Born and raised in New York City , Tyson became interested in astronomy at the age of nine after a visit to the Hayden Planetarium .. After graduating from the Bronx High School of Science , where he was editor-in-chief of the Physical Science Journal , he completed a bachelor 's degree in physics at Harvard University in 1980 .. the Bronx High School of Science. the Bronx High School of Science. Harvard University. Harvard University. After receiving a master 's degree in astronomy at the University of Texas at Austin in 1983 , he earned his master 's -LRB- 1989 -RRB- and doctorate -LRB- 1991 -RRB- in astrophysics at Columbia University .. University of Texas at Austin. University of Texas at Austin. Columbia University. Columbia University. For the next three years , he was a postdoctoral research associate at Princeton University .. Princeton University. Princeton University. In 1994 , he joined the Hayden Planetarium as a staff scientist and the Princeton faculty as a visiting research scientist and lecturer .. In 1996 , he became director of the planetarium and oversaw its $ 210-million reconstruction project , which was completed in 2000 .. From 1995 to 2005 , Tyson wrote monthly essays in the `` Universe '' column for Natural History magazine , some of which were published in his books Death by Black Hole -LRB- 2007 -RRB- and Astrophysics for People in a Hurry -LRB- 2017 -RRB- .. Astrophysics. Astrophysics. Natural History. Natural History ( magazine ). Death by Black Hole. Death by Black Hole. During the same period , he wrote a monthly column in Star Date magazine , answering questions about the universe under the pen name `` Merlin '' .. Material from the column appeared in his books Merlin 's Tour of the Universe -LRB- 1998 -RRB- and Just Visiting This Planet -LRB- 1998 -RRB- .. Tyson served on a 2001 government commission on the future of the U.S. aerospace industry , and on the 2004 Moon , Mars and Beyond commission .. 2001 government commission. Commission on the Future of the United States Aerospace Industry. He was awarded the NASA Distinguished Public Service Medal in the same year .. NASA Distinguished Public Service Medal. NASA Distinguished Public Service Medal. From 2006 to 2011 , he hosted the television show NOVA ScienceNow on PBS .. NOVA ScienceNow. NOVA ScienceNow. Since 2009 , Tyson hosted the weekly podcast StarTalk .. StarTalk. StarTalk ( 2015 TV series ). A spin-off , also called StarTalk , began airing on National Geographic in 2015 .. StarTalk. StarTalk ( 2015 TV series ). In 2014 , he hosted the television series Cosmos  : A Spacetime Odyssey , a successor to Carl Sagan 's 1980 series Cosmos  : A Personal Voyage .. Carl Sagan. Carl Sagan. The U.S. National Academy of Sciences awarded Tyson the Public Welfare Medal in 2015 for his `` extraordinary role in exciting the public about the wonders of science '' .. Public Welfare Medal. Public Welfare Medal. National Academy of Sciences. National Academy of Sciences
related.