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The closest star to Earth is Proxima Centauri. It is about 4.25 light-years away or about 25 trillion miles (40 trillion km). The fastest-ever spacecraft, the now- in-space Parker Solar Probe will reach a top speed of 450,000 mph. It would take just 20 seconds to go from Los Angeles to New York City at that speed, but it would take the solar probe about 6,633 years to reach Earth’s nearest neighbouring solar system.
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Physicists’ current understanding of spacetime comes from Albert Einstein’s theory of General Relativity . General Relativity states that space and time are fused and that nothing can travel faster than the speed of light. G...
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In 1994, Miguel Alcubierre, a Mexican theoretical physicist, showed that compressing spacetime in front of the spaceship while expanding it behind was mathematically possible within the laws of General Relativity . So, what does that mean?
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Two recent papers – one by Alexey Bobrick and Gianni Martire and another by Erik Lentz – provide solutions that seem to bring warp drives closer to reality.
Bobrick and Martire real...
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1. First spacecraft to study a star - Our Sun.
The Parker solar probe, launched on August 11, 2018 is a part of NASA’s ‘Living With a Star’ program.
This probe will attempt to study two sections of the Sun: the corona and its atmosphere.
2. First mission to be named after livi...
Until now, NASA's Helios 2 was the vessel that has got the closest to the sun: in 1976, it came within 27 million miles of the surface of the sun.
This is about to change, as NASA is planning on making its brand new Parker Solar Probe have a path that will take it 3.83 million miles away f...
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