Strap into your sleigh for some Christmas physics fun with Rudolph the ‘redshifted’ reindeer.
Articles on Redshift
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An astronomer explains why space looks so dark despite containing 200 billion trillion stars.
The gravitational field can affect space and time: the stronger gravity is, the slower time moves. This prediction of General Relativity can be used to reveal hidden forces acting on dark matter.
A new hypothesis suggests that the universe may be twice as old as we had believed. Observations from the James Webb Space Telescope provide new information on the rate of the universe’s expansion.
Will we have to rewrite Einstein’s theory of gravity? The DESI experiment could find out.
An astronomer suggests an idea to piggyback on the ambitious Breakthrough Starshot project that aims to send nano spacecraft to Alpha Centauri at a major fraction of the speed of light.
From supernovae explosions to the expansion of the universe and why the sky is blue: you can learn a lot about the universe in the kitchen.
Top contributors
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Senior Lecturer in Physics, Queensland University of Technology
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Professor of Astrophysics, University of Nevada, Las Vegas
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Adjunct professor, Physics, L’Université d’Ottawa/University of Ottawa
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Professor of Physics, Simon Fraser University
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Professor of Astrophysics and Pro Vice-Chancellor (Research and Innovation), University of Portsmouth
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Associate Professor of Astronomy, Boise State University
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Associate professor, Cosmology and Astroparticle Physics, Université de Genève
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Postdoctoral Researcher in Radio Astronomy, University of Sydney