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Dark Matter May Not Exist, Study Suggests Gravity Works Differently at Cosmic Scales
A new theoretical study suggests dark matter may not exist, proposing instead that gravity behaves differently across vast cosmic distances. By modifying how gravity weakens over scale, the research explains galaxy rotation and lensing effects without unseen particles, raising questions about long-standing cosmological models and inviting a fresh l...
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New Study Explores How LIGO-Style Lasers Could Test Quantum Gravity
Gravitational waves, first directly detected in 2015, have opened a new way of observing the universe. Now, physicist Ralf Schützhold of HZDR proposes going a step further—actively interacting with these ripples in spacetime using powerful lasers. His theoretical scheme builds on LIGO-style interferometers, where intense laser pulses bounce repe...
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Study Reveals Dark Energy Could Slow The Universe And Trigger A Future Big Crunch
This study could transform our understanding of the future of the universe and raise the possibility that the universe may one day contract instead of expanding infinitely.
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NASA’s GRACE Satellites Reveal Hidden Deep-Earth Process Behind Gravity Disturbance
Scientists have discovered a mysterious gravity signal detected by satellites nearly 20 years ago, which is linked to deep mantle changes beneath the Earth’s surface. The anomaly, lasting two years, coincided with a magnetic “jerk”, suggesting a rapid mass shift near the planet’s core.
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Earth’s Spin to Speed Up Briefly, Causing Shorter Days This Summer
Scientists report that Earth will briefly spin faster on July 9, 22, and August 5, shortening those summer days by 1.3 to 1.5 milliseconds. Though undetectable in daily life, this shift offers clues to how lunar gravity and seasonal changes affect planetary dynamics. Experts note that while timekeeping systems like GPS are unaffected, this rare spe...
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What Ancient Ice Sheets Can Tell Us About Future Sea Level Rise
When visiting Godrevy beach on the north Cornish coast, most people look out to sea at the lighthouse, surfers and seals rather than the cliffs behind.
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NASA’s 2024 Solar Eclipse Studies Offer Key Insights on Sun-Earth Interactions
NASA’s April 8, 2024, solar eclipse studies highlight the Sun's effects on Earth’s atmosphere, including corona changes, ionospheric impacts, and atmospheric gravity waves. Data from citizen scientists and research teams deepened the understanding of these interactions, as presented during the American Geophysical Union's annual meeting. Key fi...
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Indian Ocean Gravity Hole Might Have Been Formed After the Death of an Ancient Ocean
A vast anomaly in the Indian Ocean, called the gravity hole, has been studied for decades due to its weak gravitational pull and significantly lower sea levels. Recent findings link its origins to the ancient Tethys Ocean and mantle changes caused by tectonic plate shifts. Researchers used advanced models to simulate the geological processes, revea...
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Apophis Asteroid Flyby in 2029: Earth's Gravitational May Impact Asteroid's Surface
Asteroid 99942 Apophis, named after the ancient Egyptian god of darkness, is set to pass incredibly close to Earth in 2029, at just 32,000 km. While there is no risk of a collision, scientists are keen to study the asteroid’s interaction with Earth's gravity. Research led by planetary scientist Ronald Ballouz suggests that this flyby may cause si...
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Asteroid Apophis Could Experience Surface Changes Due to Earth’s Gravity During 2029 Flyby
The asteroid Apophis, named after the ancient Egyptian god of chaos, is set to pass extremely close to Earth in 2029, potentially causing seismic activity and landslides on its surface due to Earth's gravity. These changes could alter Apophis’ surface, providing a rare opportunity to observe asteroid dynamics in real-time. A team from Johns Hopki...
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Dark Matter May Not Exist, Study Suggests Gravity Works Differently at Cosmic Scales
A new theoretical study suggests dark matter may not exist, proposing instead that gravity behaves differently across vast cosmic distances. By modifying how gravity weakens over scale, the research explains galaxy rotation and lensing effects without unseen particles, raising questions about long-standing cosmological models and inviting a fresh l...
-
New Study Explores How LIGO-Style Lasers Could Test Quantum Gravity
Gravitational waves, first directly detected in 2015, have opened a new way of observing the universe. Now, physicist Ralf Schützhold of HZDR proposes going a step further—actively interacting with these ripples in spacetime using powerful lasers. His theoretical scheme builds on LIGO-style interferometers, where intense laser pulses bounce repe...
-
Study Reveals Dark Energy Could Slow The Universe And Trigger A Future Big Crunch
This study could transform our understanding of the future of the universe and raise the possibility that the universe may one day contract instead of expanding infinitely.
-
NASA’s GRACE Satellites Reveal Hidden Deep-Earth Process Behind Gravity Disturbance
Scientists have discovered a mysterious gravity signal detected by satellites nearly 20 years ago, which is linked to deep mantle changes beneath the Earth’s surface. The anomaly, lasting two years, coincided with a magnetic “jerk”, suggesting a rapid mass shift near the planet’s core.
-
Earth’s Spin to Speed Up Briefly, Causing Shorter Days This Summer
Scientists report that Earth will briefly spin faster on July 9, 22, and August 5, shortening those summer days by 1.3 to 1.5 milliseconds. Though undetectable in daily life, this shift offers clues to how lunar gravity and seasonal changes affect planetary dynamics. Experts note that while timekeeping systems like GPS are unaffected, this rare spe...
-
What Ancient Ice Sheets Can Tell Us About Future Sea Level Rise
When visiting Godrevy beach on the north Cornish coast, most people look out to sea at the lighthouse, surfers and seals rather than the cliffs behind.
-
NASA’s 2024 Solar Eclipse Studies Offer Key Insights on Sun-Earth Interactions
NASA’s April 8, 2024, solar eclipse studies highlight the Sun's effects on Earth’s atmosphere, including corona changes, ionospheric impacts, and atmospheric gravity waves. Data from citizen scientists and research teams deepened the understanding of these interactions, as presented during the American Geophysical Union's annual meeting. Key fi...
-
Indian Ocean Gravity Hole Might Have Been Formed After the Death of an Ancient Ocean
A vast anomaly in the Indian Ocean, called the gravity hole, has been studied for decades due to its weak gravitational pull and significantly lower sea levels. Recent findings link its origins to the ancient Tethys Ocean and mantle changes caused by tectonic plate shifts. Researchers used advanced models to simulate the geological processes, revea...
-
Apophis Asteroid Flyby in 2029: Earth's Gravitational May Impact Asteroid's Surface
Asteroid 99942 Apophis, named after the ancient Egyptian god of darkness, is set to pass incredibly close to Earth in 2029, at just 32,000 km. While there is no risk of a collision, scientists are keen to study the asteroid’s interaction with Earth's gravity. Research led by planetary scientist Ronald Ballouz suggests that this flyby may cause si...
-
Asteroid Apophis Could Experience Surface Changes Due to Earth’s Gravity During 2029 Flyby
The asteroid Apophis, named after the ancient Egyptian god of chaos, is set to pass extremely close to Earth in 2029, potentially causing seismic activity and landslides on its surface due to Earth's gravity. These changes could alter Apophis’ surface, providing a rare opportunity to observe asteroid dynamics in real-time. A team from Johns Hopki...
