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Light travels at approximately 186,282 miles per second (299,792 km per second). Therefore, a light shining from the surface of Mars would take the following amount of time to reach...
If you were to travel at the speed of light, which is around 300,000 kilometers per second or 186,000 miles per second in a vacuum, you would reach Mars at its closest possible approach to Earth in just 3.03 minutes, or 182 seconds.
The fastest way to get from place to place in our solar system is to travel at the speed of light, which is 300,000 km/sec (670 million miles per hour!). Unfortunately, only radio waves and other forms of electromagnetic radiation can travel exactly this fast. When NASA sends spacecraft to visit the planets, scientists and engineers have to ...
Below are the distances between the Sun and the planets belonging to the Solar System in light time. Mercury : 3,3 light minutes; Venus : 6 light minutes; Earth : 8,3 light minutes; Mars : 12,7 light minutes; Jupiter : 43 light minutes; Saturn : 1,3 light hours; Uranus : 2,7 light hours; Neptune : 4,2 light hours
If you were to go to Mars using the speed of light, you would reach it in about three minutes at their closest possible approach. The speed of light is around 186,000 mi / 300,000 km per second. Reaching the speed of light is a goal for any interplanetary mission.
The best estimates are that human missions to Mars will be timed to take advantage of a good planetary alignment. Most estimates put the travel time in the range of 150-300 days – that's five to 10 months – and the average is usually around seven months, just like the Perseverance rover.
The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second (approximately 300,000 kilometres per second; 186,000 miles per second; 671 million miles per hour).
The same photon of light that reached the Moon in a little over a second took three long minutes to reach Mars, the next planet beyond Earth in our solar system. It takes light just over eight minutes to get from the Sun to Earth.
With current technology and rocket designs, NASA estimates that the first rockets carrying humans to Mars will achieve speeds of about 24,600 miles per hour (39,600 kilometres per hour). Moving at these speeds, it would take approximately seven months to reach the surface of Mars.
On average, that best-case-scenario distance is about 33.9 million miles (54.6 million kilometers). As that 60-second clip of O'Donoghue's full movie on YouTube shows, light takes 3...