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So, during the trip back, both twins see their sibling's clock going 3 times faster than their own. Factoring out the fact that the light-time-delay is decreasing by 0.8 seconds every second, each twin calculates that the other twin is aging at 60% his own aging speed. Light paths for images exchanged during trip Left: Earth to ship.
Time can appear to move faster or slower to us relative to others in a different part of space-time. That means astronauts on the International Space Station age slower than people on Earth.
Transversal time dilation. The blue dots represent a pulse of light. Each pair of dots with light "bouncing" between them is a clock. In the frame of each group of clocks, the other group is measured to tick more slowly, because the moving clock's light pulse has to travel a larger distance than the stationary clock's light pulse.
For example, considered over the total time-span of Earth (4.6 billion years), a clock set in a geostationary position at an altitude of 9,000 meters above sea level, such as perhaps at the top of Mount Everest (prominence 8,848 m), would be about 39 hours ahead of a clock set at sea level. [5] [6] This is because gravitational time dilation is ...
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Because its 586-mile-per-hour (943 km/h) air speed was faster than that of a .45 caliber bullet, Glenn called the flight Project Bullet. [65] He flew an F8U Crusader 2,445 miles (3,935 km) from Los Alamitos, California , to Floyd Bennett Field in New York City in 3 hours, 23 minutes and 8.3 seconds, [ 62 ] averaging supersonic speed despite ...
While it takes light approximately 2.54 million years to traverse the gulf of space between Earth and, for instance, the Andromeda Galaxy, it would take a much shorter amount of time from the point of view of a traveler at close to the speed of light due to the effects of time dilation; the time experienced by the traveler depending both on velocity (anything less than the speed of light) and ...
A former NASA executive said Thursday the astronauts are “kind of stuck,” although certainly not stranded. They’re safe aboard the space station with plenty of supplies and work to do, said ...