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  1. Calculate how long it would take to reach planets, stars, or galaxies, as well as fuel mass, velocity and more!

    • 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...

  2. Problem 1 – The entire International Space Station orbits Earth at a speed of 28,000 kilometers per hour (17,000 mph). At this speed, how many days would it take to travel to the sun from Earth, located at a distance of 149 million kilometers? Answer: Time = Distance/speed so Time = 149,000,000 km/ 28,000 = 5321 hours or 222 days.

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  3. Dec 12, 2011 · The time varies over a range of about 16 minutes depending on the relative positions of Earth and the target planet in their orbits; Earth can be 8 light-minutes closer than the Sun is, or 8 light-minutes farther away.

  4. The closest that Earth and Venus approach each other is when Venus is at its furthest position from the sun (aphelion) and Earth is at its closest (perihelion), with both planets on the same side of the Sun. This is known as an inferior conjunction and happens roughly once every 584 days.

  5. Oct 31, 2023 · The fastest we have reached Venus from Earth is 109 days and the longest it has ever taken was 198 days. The truth is the exact time varies on a number of factors such as where the two planets are in their respective orbits. On average most journeys to Venus should take 120 – 130 days or roughly 4 months.

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  7. Aug 9, 2024 · Bottom Line. In Short. Mercury: ~7 years (average) Venus: ~161.25 days (about 5.375 months) (average) Mars: ~128 to 360 days (varies per mission) Jupiter: ~3 years and 3 months (average for flybys); ~5.5 years (average for orbital missions) Saturn: ~6.5/7 years (for orbital missions like Cassini)