WASHINGTON – Shortening the time satellites remain in orbit after their missions are completed is one of the most cost-effective ways to address the problem of orbital debris, a NASA report concludes. The report, released May 20 by NASA’s Office of Technology, Policy and Strategy, follows up on a March 2023 report that focused on … Read more
In 1936, Albert Einstein published what he described as a “little calculation”, showing how the Sun could one day be used as a giant telescope. As incredible as it sounds, the concept is not that far out of our reach, and one idea to make it a practical reality is in Phase III of NASA’s … Read more
May 10, 2024, Brandenburg, Falkenhagen: Bright green and slightly reddish aurora lights in the night … [+] sky in the district of Märkisch-Oderland in eastern Brandenburg. The northern lights (aurora borealis) are produced by a cloud of electrically charged particles from a solar storm in the earth’s atmosphere. Photo: Patrick Pleul/dpa (Photo by Patrick Pleul/picture … Read more