Radio 4 in Four - How Carl Sagan inspired a young Neil deGrasse Tyson - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - How Carl Sagan inspired a young Neil deGrasse Tyson - ÃÛÑ¿´«Ã½ Sounds
How Carl Sagan inspired a young Neil deGrasse Tyson
In 1975 Tyson was invited to spend a day with the astronomer at Cornell University.