Particles break light-speed limit..
An Italian experiment has unveiled evidence that fundamental particles known as neutrinos can travel faster than light. Other researchers are cautious about the result, but if it stands further scrutiny, the finding would overturn the most fundamental rule of modern physics — that nothing travels faster than 299,792,458 meters per second.
The idea that nothing can travel faster than light in a vacuum is the cornerstone of Albert Einstein's special theory of relativity, which itself forms the foundation of modern physics. If neutrinos are travelling faster than light speed, then one of the most fundamental assumptions of science — that the rules of physics are the same for all observers — would be invalidated.
One light-year is equal to:
- exactly 9,460,730,472,580.8 km (about 9.5 Pm)
- about 5,878,625,373,183.608 miles (about 6 trillion miles (short scale))
- about 63,241.1 astronomical units
- about 0.306601 parsecs
- exactly 31,557,600 light-seconds
Into the World of Light Speed...
- The Speed of Light = 186,282 miles per second
- In 1 Year, Light travels 5.87 trillion miles
- If we travel at light speed, it takes slightly more than 3 seconds to have round-trip to moon
- Our Solar System radius is about 1 light year
- It takes 4.22 light years,40,000,000,000,000 Kms, to reach Proxima Centauri, the nearest Star to Sun.
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