#spacetime

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Time: yes, it's a dimension, but no, it's not like space

The shortest distance between two points in spacetime is not a straight line, unlike in traditional three-dimensional space.

Ask Ethan: Does space require dark energy in order to exist?

Space itself exists independently of dark energy, posing questions about their mutual relationship and the fundamental nature of the universe.

A Sinking Feeling of the Infinite Shapes the Luxurious INFINITO

The INFINITO sink merges Einstein's spacetime theory with innovative design and ecological sustainability.

Supermassive black hole at our galaxy center looks like a football

The supermassive black hole at the center of our galaxy, Sagittarius A*, is spinning so fast that it warps spacetime and takes on the shape of a football.
Researchers used a new method, called the 'outflow method', to estimate the mass and spin rate of Sagittarius A*, using data from NASA's Chandra X-ray Observatory and the National Science Foundation's Karl G. Jansky Very Large Array (VLA).
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