Dr. Alice Gorman is an internationally recognized scholar in the field of space archaeology and author of the award-winning book "Dr Space Junk vs the Universe: Archaeology and the Future" (MIT Press, 2019). Her research focuses on the archaeology and heritage of space exploration, including space junk, planetary landing sites, off-earth mining, and space habitats. Alice GormanThe Soviet satellite Sputnik 1 , which launched on October 4, 1957, was the first human-made object in space. It's one of the largest uncontrolled space objects to fall out of orbit. The rocket uses cryogenic fuel, so its fuel tanks are extremely robust to contain liquid oxygen and hydrogen under high pressure.

Source: CNN May 09, 2021 00:33 UTC