The study of symmetries in black hole spacetimes has emerged as a cornerstone for comprehending the underlying dynamics of these enigmatic compact objects. By identifying both explicit and hidden ...
But most of what was done before about 100 years ago we would now call galactic astronomy, which is the study of stars, planets and interstellar gas clouds within our own Milky Way. At the time, in ...
Astrum on MSNOpinion
What's Beyond the Edge of the Observable Universe?
There’s a point in the universe where no light, no signal, and no matter can reach us — or so we thought. Galaxy clusters are ...
In 1925, Edwin Hubble's observation of Cepheid variables in the Andromeda galaxy revolutionized astronomy, proving the ...
A new paper published in Physical Review D in September, by Frieman and Anowar Shajib, a NASA Hubble Fellowship Program Einstein Fellow in Astronomy and Astrophysics, combines current data from a ...
Some astronomers think one set of measurements or the other will turn out to be wrong. Others believe that the tension is a hint of deeper problems with the scientific description of the universe, ...
You say in your article that modern, scientific cosmology didn’t get started until roughly the 1920s. What happened then? It’s not as though nothing happened earlier. People have been speculating ...
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