
This 1969 illustration by Charles Bittinger showing Earth from outer space is among the works the National Geographic Society will be auctioning at Christie’s. The auction of 240 photos and illustrations in December, the first by the society, is expected to bring $3 million. (National Geographic via Associated Press)

This 1969 illustration by Charles Bittinger showing Earth from outer space is among the works the National Geographic Society will be auctioning at Christie’s. The auction of 240 photos and illustrations in December, the first by the society, is expected to bring $3 million. (National Geographic via Associated Press)

Thirteen-year-old Karthik Karnik of Norfolk, Mass., looks up as he tries to come up wtih an answer during the final round of the 2011 National Geographic Bee, which was held Wednesday, May 25, 2011 at the National Geographic Society. Karthik competed against 9 other boys from around the country who ranged in age from 10 to 13. (Barbara L. Salisbury/The Washington Times)

Thirteen-year-old Tine Valencic from Colleyville, Texas, wipes tears from his eyes after winning the 2011 National Geographic Bee in Washington, D.C., on Wednesday, May 25, 2011. His mother, Jana, center, stands by him while National Geographic Society president Tim Kelly, right applauds. Tine beat the other 10 finalists and was the only contestant who did not get one question wrong in the entire bee. He received a $25,000 scholarship, a lifetime membership in the National Geographic Society and an all-expense-paid trip for two to the Galapagos Islands. (Barbara L. Salisbury/The Washington Times)