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Browsing Tag
general relativity
7 posts
Einstein’s theories tested on the largest scale ever – he was right
The DESI instrument observing the sky from the Nicholas U. Mayall Telescope during a meteor shower KPNO/NOIRLab/NSF/AURA/R. Sparks…
What does it mean to “look” at a black hole?
A simulation of a black hole Hotaka Shiokawa/EHT General relativity teaches us that reality is, in some sense,…
How a simple physics experiment could reveal dark matter hiding in an extra dimension
We tend not to dwell on the fact that we exist in three dimensions. Forwards-back, left-right, up-down; these…
Einstein’s theory was wrong about black holes made out of light
Light cannot condense enough to create a black hole Vadim Sadovski/Shutterstock It seems it is not possible to…
Einstein was right about the way matter plunges into black holes
We’ve seen the waterfall of matter plunging into a black hole Buradaki / Alamy Stock Photo A strange…
Gravitational waves: We are about to hear echoes in the fabric of space for the first time
Did you hear the one about the star that died twice? In 2014, astronomers saw the explosion of…
We live in a cosmic void so empty that it breaks the laws of cosmology
ryan wills; Klaus Vedfelt/Getty Images EVER feel like you are stuck in a hole? Newsflash: you are. Astronomers…