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300,000 km/sec
- 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!).
spacemath.gsfc.nasa.gov/weekly/10Page2.pdf
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.
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- Mercury and Venus
- Mars
- Jupiter and Saturn
- Uranus and Neptune
How long it would take to travel to the planets is dependent upon a number of factors, such as the route you take, the spacecraft you use, and where the planets are located in their respective orbits. To simplify things, we will assume that the route you take is a direct one and that the planets are at their closest approach to one another. Further...
Mars is the most frequently visited planet in our solar system. While humans have yet to land on the Martian surface, space agencies have sent a number of rovers, landers, and satellites to study the Red Planet. During its closest approach, Mars is about 51-million miles (82-million kilometres) away from Earth. Moving at a speed of 50,000-miles per...
Beyond the orbit of Mars is the realm of the gas giants. Beyond Mars, the gas giants are much further away than their rocky counterparts. Jupiter is the closest gas giant to Earth, yet even at its closest approach it is still 367-million miles (590-million kilometres) away from our world. At this distance and moving at a speed of 50,000-miles per h...
Beyond Jupiter and Saturn are the two outermost planets of our solar system, Uranus and Neptune. These two worlds are so far away from us that they are the only two planets not visible to the naked eye. At its closest approach to the Earth, Uranus is located a staggering 1.7-billion miles (2.7-billion kilometres) away. Travelling in a spacecraft mo...
At its average distance of 42.2 million miles, light takes 3 minutes 46 seconds to reach Earth from Venus. As the planets orbit the sun that time varies between 2 minutes 13 seconds and 14 minutes 29 seconds.
Mar 7, 2023 · Mercury: 77 million km (48 million miles) away from Earth on average so it takes about 3.2 minutes for light from Mercury to reach Earth. Venus: 261 million km (162 million miles) away from Earth on average so it takes about 6 minutes for light from Venus to reach Earth.
May 29, 2019 · The theory of special relativity showed that particles of light, photons, travel through a vacuum at a constant pace of 670,616,629 miles per hour — a speed that’s immensely difficult to achieve and impossible to surpass in that environment.
Jan 23, 2024 · In fact, we now define the speed of light to be a constant, with a precise speed of 299,792,458 meters per second. While it remains a remote possibility in deeply theoretical physics that...
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May 18, 2020 · A light year is the distance a photon of light travels in one year, which is about 6 trillion miles (9 trillion kilometers, or 63,000 AU). Put another way, a light year is how far you'd travel in a year if you could travel at the speed of light, which is 186,000 miles (300,000 kilometers) per second.
