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Space weather causes years of radiation damage to satellites using electric propulsion EUTELSAT 172B Satellite used electric orbit raising to reach geostationary orbit. Credit: Cesarhenriquebrandao CC BY-SA 4.0. The use of electric propulsion for raising satellites into geostationary orbit can result in significant solar cell degradation according ...
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Meet The Eclipse-Chaser Who Has Never Seen An Eclipse A prediction by Predictive Science of the magnetic field lines of the Sun at the time of next week's total solar eclipse. It shows the inherent complexity of the Sun's magnetic field and its intimate connection to visible emission from the solar corona. Predictive ...
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Image: Mars 2020 rover's seven-foot-long robotic arm installed In this image, taken on June 21, 2019, engineers at NASA's Jet Propulsion Laboratory in Pasadena, California, install the main robotic arm on the Mars 2020 rover. (A smaller arm to handle Mars samples will be installed inside the rover as well.) The main arm ...
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On International Asteroid Day, here's what to know about the threat to Earth For the first time, astronomers have shown that telescopes could provide enough warning to allow people to move away from an asteroid strike on Earth. Astronomers at the University of Hawaii used the ATLAS and Pan-STARRS survey telescopes to detect a ...
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NASA's $200M space telescope finds alien planet almost the size of Earth, smallest discovered NASA said its new Transiting Exoplanet Survey Satellite space telescope has discovered its smallest exoplanet so far, an alien world that's roughly 80 percent the size of Earth and could help "unlock" secrets of how the Blue Planet became habitable.
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Self-Torque: Physicists Discover New Property of Light An international team of physicists has theoretically predicted and experimentally generated light beams with a new property that they call the self-torque of light. The discovery, reported in the journal Science, could help us understand physics in binary black ...
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Astronomers trace a mysterious radio burst to its source… 3.6 billion light years away! Just last week, astronomers made a big step forward in figuring out what the heck fast radio bursts are: For the first time, a single one-off burst was traced back to its host galaxy, and it's a whopping 3.6 billion light years away! Fast radio bursts (or FRBs) are ...
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