Carl Sagan spent his childhood immersed ... “were swept into oblivion.” Sagan was undeterred: The photos were grainy and inconclusive and showed only one percent of the planet.

Carl Sagan — the ... 1 finally snapped the photo from beyond the orbit of Neptune, it stored the image on its tape recorder and slowly beamed the information back to Earth's radio telescopes ...

The famed astrophysicist Carl Sagan ... alive today. Sagan was instrumental in the climate movement in the 1980s, raising concerns of global warming in Congress. In 2025, the earth’s existence ...