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the Science

~ four main areas we study ~

Relativity

Einstein's Version of the Laws of Physics

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Relativity

Compact
Objects

The End Points of Stellar Evolution

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Compact Objects

Gravitational
Waves

Ripples in the Fabric of Spacetime

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Gravitational Waves

Numerical
Relativity

Giving the Problem to a Computer

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Numerical Relativity

Active Research

Gigapixel ray trace of a binary black hole merger

Created on May 7, 2025

Happy Black Hole Week! To celebrate, we’re releasing the highest-resolution ray-traced still from one of our simulations to date. This image was produced by Cornell research associate William Throwe. Use your scroll wheel or the +/- buttons to zoom in/out, or the icon to go full screen!

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A tale of tails

Created on December 11, 2024

With our latest preprint [arXiv:2412.06887] (led by Marina De Amicis), SXS simulations have for the first time resolved fully nonlinear “tails” from merging black holes. What’s this all about?

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Explore the Science of SXS

Come, you lost Atoms, to your Centre draw,
And be the Eternal Mirror that you saw:
Rays that have wander'd into Darkness wide,
Return and back into your Sun subside.

From Farid al-Din Attar's twelfth-century masterpiece
The Conference of the Birds