China’s ‘Three Gorges’ Impact Earth’s Rotation: NASA
Three gorges Dam in China May Have Affected earth’s Rotation, NASA Says
Table of Contents
- Three gorges Dam in China May Have Affected earth’s Rotation, NASA Says
- Three Gorges Dam and Earth’s Rotation: Your Questions Answered
By Xairo Vazquez
May 2, 2025
The notion of altering the fundamental laws of time might seem like science fiction. However, according to a NASA study highlighted by Yahoo News, the sheer scale of China’s Three Gorges Dam could have subtly impacted Earth’s rotation.
Three Gorges dam: A Colossal Structure’s Potential Impact
Dr. Benjamin Fong Chao, of NASA’s Goddard Space flight Center, authored a study suggesting a correlation between the immense size and weight of the three Gorges Dam and minute changes in Earth’s axial rotation.
World’s Largest Hydroelectric Power plant
completed in 2012, the Three Gorges Dam stretches across the Yangtze river near Sandouping. This hydroelectric complex boasts the largest installed capacity globally,measuring 7,661 feet in length and rising 607 feet above sea level.The project’s total cost was approximately $20.4 billion.
Water Displacement and Earth’s Rotation
The dam can hold an estimated 40 cubic kilometers of water, equivalent to roughly 10.6 trillion gallons. NASA’s calculations indicate that this massive water volume causes a shift in Earth’s mass distribution, consequently increasing the length of the day by about 0.06 microseconds.
Moreover, the redistribution of water mass leads to a slight bulging at the equator and a corresponding flattening at the poles.
Changes Over Time: Negligible for Humans
This temporal shift remains imperceptible to humans. A microsecond represents one millionth of a second (0.000001 seconds). The dam’s effect registers at a mere 0.00000006 seconds per day.Hypothetically, extending the day by a full second would necessitate over 16.6 million Three Gorges Dams, based solely on mass calculations.
Cosmic Viewpoint: An Insignificant Delay
Dr. Chao estimates that this delay in Earth’s rotation equates to roughly three additional days over the estimated 13.8 billion-year history of the universe. Therefore, the change poses no cause for alarm.
Following the study’s release, a Reddit user jokingly inquired, ”Can I get all those days in the form of a three-day weekend?”
Another Challenge to Flat Earth Theories
This finding presents yet another challenge to flat-Earth theories, although proponents of such beliefs have largely remained unconvinced by scientific evidence.
The three Gorges project received approval in 1993. Construction of the dam, measuring 7,546 feet long and 607 feet high, concluded in 2006.
Engineering’s Impact on the Planet
While it may seem improbable that a human-made structure could influence earth’s rotation, scientific principles support this possibility. Constructing dams, draining lakes, or even triggering earthquakes through mining or drilling activities all redistribute mass. This redistribution affects Earth’s “moment of inertia,” a physics principle governing an object’s rotation. The 2004 Indian ocean earthquake, for instance, shortened the Earth day by nearly 3 microseconds. Although the Three Gorges dam’s effect is smaller, it follows the same pattern. Significant alterations to Earth’s surface, especially those involving considerable quantities of water, inevitably disturb the planet’s equilibrium.
Three Gorges Dam and Earth’s Rotation: Your Questions Answered
Q: Did the Three Gorges Dam really affect the Earth’s rotation?
A: yes, according to a NASA study, the Three gorges Dam has subtly impacted Earth’s rotation. The study, highlighted by Yahoo News, indicates that the dam’s immense size and weight correlate with minute changes in Earth’s axial rotation.
Q: How Does the Three gorges Dam Impact Earth’s Rotation?
A: The dam, capable of holding approximately 40 cubic kilometers (10.6 trillion gallons) of water, has caused a shift in Earth’s mass distribution. This redistribution of mass has slightly increased the length of the day. Moreover, the water displacement leads to a slight bulge at the equator and a flattening at the poles.
Q: How much has the Three Gorges Dam altered the length of a day?
A: NASA’s calculations indicate that the Three Gorges Dam has increased the length of a day by about 0.06 microseconds (0.00000006 seconds).
Q: Is 0.06 microseconds a notable change?
A: No, the change is negligible for humans. A microsecond is one millionth of a second. To put it in perspective, extending the day by a full second would require over 16.6 million Three Gorges Dams,based solely on mass calculations.
Q: Has the Three Gorges Dam caused any noticeable problems?
A: No. Dr. Benjamin Fong Chao estimates that this delay in Earth’s rotation equates to roughly three additional days over the estimated 13.8 billion-year history of the universe. Changes of this magnitude pose no cause for alarm.
Q: What is the Three Gorges Dam?
A: The Three Gorges Dam is the world’s largest hydroelectric complex. Located on the Yangtze River in China, it was completed in 2012. It spans 7,661 feet in length and rises 607 feet above sea level.
Q: How much did the Three Gorges Dam cost?
A: The total cost of the Three Gorges project was approximately $20.4 billion.
Q: How Does the Three Gorges Dam affect the earth’s mass distribution?
A: The immense amount of water stored by the dam redistributes mass on Earth. This redistribution affects the planet’s “moment of inertia,” a physics principle that governs an object’s rotation. The dam’s effect is similar to that of othre large-scale projects, such as the building of large dams, draining of lakes, or even events like earthquakes.
Q: What is the relationship between mass redistribution and Earth’s rotation?
A: When mass is redistributed on Earth, it affects the planet’s “moment of inertia.” This, in turn, influences how quickly Earth rotates. Significant alterations to Earth’s surface, especially those involving considerable quantities of water, inevitably disturb the planet’s equilibrium.
Q: Were there any social media reactions to this discovery?
A: Yes, following the study’s release, a Reddit user jokingly inquired, “Can I get all those days in the form of a three-day weekend?”
Q: Does this finding relate to any other scientific challenges?
A: Yes. This finding presents yet another challenge to flat-Earth theories, even though proponents of such beliefs have largely remained unconvinced by scientific evidence.