Where is the center of the universe?
About a century ago, scientists were struggling to reconcile what seemed like a contradiction in Albert Einstein's theory of general relativity.
About a century ago, scientists were struggling to reconcile what seemed like a contradiction in Albert Einstein's theory of general relativity.
Astronomy
Jun 10, 2025
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In 2015, a piece of equipment at an observatory in the US moved one quintillionth (10-18) of a meter. This tiny movement was the first recorded event of gravitational waves. And it helped confirm Einstein's theory of general ...
Astronomy
May 28, 2025
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65
For a while now, there has been a problematic mystery at the heart of the standard cosmological model. Although all observations support the expanding universe model, observations of the early period of the cosmos give a ...
Astronomy
May 16, 2025
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Exactly 100 years ago, famed Austrian physicist Erwin Schrödinger (yes, the cat guy) postulated his eponymous equation that explains how particles in quantum physics behave. A key component of quantum mechanics, Schrödinger's ...
General Physics
May 6, 2025
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Ever since general relativity pointed to the existence of black holes, the scientific community has been wary of one peculiar feature: the singularity at the center—a point, hidden behind the event horizon, where the laws ...
Astronomy
May 6, 2025
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At long last, a unified theory combining gravity with the other fundamental forces—electromagnetism and the strong and weak nuclear forces—is within reach. Bringing gravity into the fold has been the goal of generations ...
General Physics
May 5, 2025
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The Atomic Clock Ensemble in Space (ACES), ESA's state-of-the-art timekeeping facility, has been successfully installed on the International Space Station, marking the start of a new chapter in space-based precision science.
Space Exploration
Apr 28, 2025
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Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot.
Astronomy
Apr 23, 2025
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A team of physicists have discovered a new approach that redefines the conception of a black hole by mapping out their detailed structure, as shown in a research study recently published in Journal of High Energy Physics.
General Physics
Apr 3, 2025
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In 1994, Miguel Alcubierre was able to construct a valid solution to the equations of general relativity that enable a warp drive. But now we need to tackle the rest of relativity: How do we arrange matter and energy to make ...
Space Exploration
Mar 24, 2025
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