Einstein concluded that the cosmos has no universal clock or common reference frame. Space and time are “relative,” flowing differently for each of us depending on our motion. Einstein’s ...
Einstein Probe's Wide-field X-ray Telescope (WXT) detected a burst of low-energy X-rays. Astronomers call such X-rays "soft," even though they are still far more energetic than visible or ultraviolet ...
A Precision Test of General Relativity. While Einstein’s famous theory of general relativity accurately describes the motion of celestial bodies in our solar system, less is kno ...
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