NASA’s spacewalk cancellation is literally a pain in the neck

[ad_1] Astronaut Mark Vande Hei performing a fit check of his spacesuit on August 17, 2021.Picture: NASA Johnson NASA had to postpone a planned spacewalk to install new solar panels outside the International Space Station after one of its astronauts complained of a pinched nerve in his neck. “Thank you for everyone’s interest”, Mark Vande … Read more

In leaked email, ULA official calls NASA management “incompetent”

[ad_1] Enlarge / The leaked emails from ULA are very critical of Steve Jurczyk, who was acting NASA administrator this spring. Nasa In what appear to be legitimate emails from April and May, a senior official at the US rocket company United Launch Alliance (ULA) calls the leadership of NASA “incompetent and unpredictable.” The statement … Read more

Cosmic rays could be the key to understanding galactic dynamics

[ad_1] This illustration shows how waves and particles interact: the amplitude of the waves increases while the drift speed of the particles decreases due to scattering. Credit: A. Marcowith, AJ van Marle and I. Plotnikov Cosmic rays are charged subnuclear particles that travel at a speed close to light, constantly raining down on Earth. These … Read more

Hubble captures an “Einstein ring”

[ad_1] A new photograph from the Hubble Space Telescope shows a magnificent “Einstein ring” billions of light years from Earth – a phenomenon named after Albert Einstein, who predicted that gravity could bend light. The round object at the center of the photograph released by the European Space Agency is actually three galaxies that appear … Read more