Tipping Point is known for its rather questionable answers but fans were stunned when one contestant claimed NASA astronauts had taken pictures of Neptune.Host Ben Shephard asked which planet nicknamed "The Blue Marble" had been the subject of photographs taken from space, with Rachel believing that the correct answer was Neptune.The Blue Marble was taken in December 1972 by Harrison Schmitt and Ron Evans, taken around 18,000 miles from the surface of Earth.Addressing the contestants, he said: "The Blue Marble is a famous photograph taken by one of NASA's Apollo 17 crew, looking back at which planet?"Shortly after he came up for air, Rachel buzzed in as she believed she knew the correct answer."Neptune," she said as she looked somewhat.
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