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1 mar 2016 · Beginning in 2025, the program plans to land four people on Mars every 26 months via a series of one-way missions, using exclusively existing technology. This one-way approach has frequently been cited as a key enabler of accelerating the first crewed landing on Mars.
16 kwi 2024 · NASA’s Mars Exploration Program is focusing on its future - delivering profound scientific investigation with a new strategic paradigm designed to send lower-cost, high-science-value missions and payloads to Mars at a higher frequency.
This time-lapse video, which has been sped up by 24 times, uses an engineering model of one of the instruments aboard NASA’s Perseverance Mars rover to show how the instrument evaluates safe placement against a rock.
Shorter-stay missions use an alternative trajectory to minimize total time away from Earth, but are a challenge for propulsion technologies, in-space radiation protection, and long-duration microgravity exposure.
An Inertial Measurement Unit (IMU) provides 3-axis information on its position, sothe rover can make precise vertical, horizontal, and side-to-side (yaw) movements. For navigation, the device supports safe traverses and estimates the rover's tilt.
Refilling on-orbit enables the transport of up to 100 tons all the way to Mars. And if the tanker ship has high reuse capability, the primary cost is just that of the oxygen and methane, which is extremely low.
From an average distance of 142 million miles (228 million kilometers), Mars is 1.5 astronomical units away from the Sun. One astronomical unit (abbreviated as AU), is the distance from the Sun to Earth.
