Jay Melosh
H. Jay Melosh (June 23, 1947 – September 11, 2020) was an American geophysicist specialising in impact cratering. He earned a degree in physics from Princeton University and a doctoral degree in physics and geology from Caltech in 1972. His PhD thesis concerned quarks. Melosh's research interests include impact craters, planetary tectonics, and the physics of earthquakes and landslides. His recent research includes studies of the Giant-impact hypothesis, giant impact origin of the moon, the Chicxulub crater, Chicxulub impact that is thought to have extinguished most dinosaurs, and studies of ejection of rocks from their parent bodies. He was active in astrobiology, astrobiological studies that relate chiefly to the exchange of microorganisms between the terrestrial planets (a process known as panspermia or transpermia). Melosh was a member of the American Geophysical Union, Geological Society of America, Meteoritical Society, American Astronomical Society (Division of Planet ...
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Paterson, New Jersey
Paterson ( ) is the largest City (New Jersey), city in and the county seat of Passaic County, New Jersey, Passaic County, in the U.S. state of New Jersey.New Jersey County Map
New Jersey Department of State. Accessed July 10, 2017. As of the 2020 United States census, its population was 159,732, rendering it New Jersey's List of municipalities in New Jersey, third-most-populous city. The United States Census Bureau, Census Bureau's Population Estimates Program calculated that the city's population was 157,794 in 2021, ranking the city as the List of United States cities by population, 163rd-most-populous in the country. Paterson is known as the Silk City for its dominant role in silk production during the latter half of the 19th century.Thoma ...
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