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1 de feb. de 2024 · Called the dark dimension scenario, it offers a specific recipe for dark matter, and it suggests an intimate connection between dark matter and dark energy. The scenario might also tell us why gravity — which sculpts the universe on the largest scales — is so weak compared to the other forces.
Dark matter candidates arise frequently in theories that suggest physics beyond the Standard Model, such as supersymmetry and extra dimensions. One theory suggests the existence of a “Hidden Valley”, a parallel world made of dark matter having very little in common with matter we know.
25 de feb. de 2024 · An idea derived from string theory suggests that dark matter is hidden in an as-yet-unseen extra dimension. Scientists are racing to test the theory to see if it holds up.
Extra dimensions, gravitons, and tiny black holes. Why is gravity so much weaker than the other fundamental forces? A small fridge magnet is enough to create an electromagnetic force greater than the gravitational pull exerted by planet Earth.
Hace 2 días · The Nancy Grace Roman Space Telescope, set to launch in 2027, aims to capture high-resolution images of galaxies and cosmic phenomena across the universe. It will offer a deeper understanding of galactic evolution and dark matter through its advanced observational capabilities. This telescope will greatly enhance our knowledge by examining ...
2 de jun. de 2021 · Summary: As its name suggests, dark matter -- material which makes up about 85% of the mass in the universe -- emits no light, eluding easy detection. Its properties, too, remain fairly...
1 de feb. de 2021 · This offers exciting new ways to search for the constituents of the dark matter—literally via a detour through the extra dimension—and obtain clues about the physics at a very early stage...
