![]() ![]() His efforts helped lay the groundwork for two new scientific disciplines, i.e., planetary science and exobiology, which involves the study of potential life on other planets. In addition, Carl also played a crucial role in the Voyager missions to the outer solar system as well as the Galileo mission to Jupiter. He worked as an advisor for NASA and was involved in the designing and management of the Mariner 2 mission to Venus, Mariner 9, and Viking trips to Mars. A Little about Carl Saganĭuring his lifetime, he was deeply involved in the American Space Program right from its inception. His doctoral research involved the computation of the first greenhouse model for Venus’ atmosphere, which showed a higher temperature than was previously suspected. in Astronomy and Astrophysics in the year 1960. He was born on 9 th of November, 1934 and earned his Ph.D. ![]() Carl Sagan was a renowned American astronomer who made significant contributions to his field. ![]()
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