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About 687 Earth days
- Prime mission duration: One Mars year (about 687 Earth days).
www.jpl.nasa.gov/news/press_kits/mars_2020/landing/quick_facts/
Sep 26, 2023 · One day on Mars lasts about 37 minutes longer than an Earth day. A year on Mars is almost twice as long as a year on Earth. Gravity on Mars is about one-third of the gravity on Earth. If you weigh 100 pounds on Earth, you would weigh 38 pounds on Mars. Mars has two moons: Phobos and Deimos.
One-way light time (the time it takes radio signals to travel): Mars to Earth, on Feb. 18, 2021: about 11 minutes, 22 seconds. Prime mission duration: One Mars year (about 687 Earth days). Sampling capability: More than 30 samples.
The interplanetary cruise phase is the period of travel from Earth to Mars and lasts about 200 days. The phase begins after the spacecraft separates from the rocket, soon after launch. Engineers on Earth keep close tabs on the mission during cruise. Major activities include: Checking spacecraft health and maintenance.
For Earth – Mars trips, the period is every 26 months (2 years, 2 months), so missions are typically planned to coincide with one of these launch periods. Due to the eccentricity of Mars's orbit, the energy needed in the low-energy periods varies on roughly a 15-year cycle [5] with the easiest periods needing only half the energy of the peaks. [6]
Jul 3, 2019 · Astrobiologist Lewis Dartnell told Inverse in October that “while the first human mission to land on Mars will likely take place in the next two decades, it will probably be more like 50-100...
Perseverance requires 203 days to travel about 293 million miles (471 million kilometers) from Earth to Mars. This is the cruise phase of the mission. The final 45 days of the cruise phase make up the approach subphase.
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As Mars orbits the Sun, it completes one rotation every 24.6 hours, which is very similar to one day on Earth (23.9 hours). Martian days are called sols – short for "solar day." A year on Mars lasts 669.6 sols, which is the same as 687 Earth days.
