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Dark energy and gravity, artwork C016 / 3069
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Dark energy and gravity, artwork C016 / 3069
Dark energy and gravity. Astronomers think that the expansion of the universe is regulated both by the force of gravity, which acts to slow it down, and a mysterious dark energy, which pushes matter and space apart. Dark energy is thought to be pushing the cosmos apart at faster and faster speeds, causing our universes expansion to accelerate. Here, dark energy is represented by the purple grid (top) and gravity by the green grid (bottom). Gravity emanates from all matter in the universe, but its effects are localised and drop off quickly over large distances. New research confirms that dark energy is a smooth uniform force that now dominates over the effects of gravity. These observations follow careful measurements of the separations between pairs of
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9202881
© NASA/SCIENCE PHOTO LIBRARY
Astrophysical Astrophysics Cosmological Cosmology Cosmos Dark Energy Expanding Expansion Field Fields Force Forces Galaxies Galaxy Gravity Interaction Interactions Pairs Planetary Science Separation Theoretical Physics Universe
EDITORS COMMENTS
This artwork, titled "Dark energy and gravity" beautifully captures the intricate relationship between these two fundamental forces that shape our universe. In this illustration, astronomers have depicted dark energy as a mesmerizing purple grid hovering above, while gravity is represented by a contrasting green grid below. Astronomers believe that the expansion of our vast cosmos is regulated by both gravity and dark energy. While gravity acts to slow down this expansion, dark energy exerts an enigmatic force that pushes matter and space apart. Recent research has confirmed that dark energy now dominates over the effects of gravity, making it a crucial component in understanding the dynamics of our expanding universe. The image showcases how gravity emanates from all matter in the universe but its influence diminishes rapidly over large distances. On the other hand, dark energy appears as a smooth and uniform force permeating through space-time with relentless strength. Through meticulous measurements of separations between pairs of celestial objects, scientists have been able to unravel more about this cosmic interplay. This artwork serves as a visual representation of their findings and highlights the significant role played by both dark energy and gravity in shaping the evolution of galaxies and ultimately our entire cosmos. Credit: NASA/SCIENCE PHOTO LIBRARY
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