How many days will it take for humans to get to Mars?

You can't wait to live on Mars, right?

toTianwen No. 1For example, it takes 7 months to get from Earth to Mars, and the entire flight process starts with the launch of the rocket.

Just like Earth, Mars orbits the Sun, but in a different path than Earth. Every 26 months, Mars reaches the point as close to Earth as possible. This is the opposition point of Mars, and at this point, the distance between Mars and the Earth varies from 34.6 million to 63 million kilometers, depending on the year.

Technical difficulties in traveling to Mars:

First, the distance is too far, the distance between the earth and the moon.

It is only 380,000 kilometers, while Mars is 56 million kilometers away from the Earth and 400 million kilometers away, and the closest distance is 147 times the distance between the Earth and the Moon.

Second, the signal transmission is slow, after the probe has landed safely, the communication with the ground is very important, and the communication between any two points on Earth only takes seconds, and the closest distance to Mars, the speed of light also needs 180 seconds, so this long distance is a huge challenge for signal transmission.

Third, it has high technical requirements for track design, ground-fire distance and its relative motion.

The law has very high requirements for the design of Mars exploration orbit, mainly because Mars and Earth are not in the same plane, and the difficulty of orbit design can be imagined.

Fourth, the difficulty of landing, the atmosphere on Mars.

Very rare, about 1% of Earth, and the Mars rover.

When entering the Martian atmosphere, the speed reached 20,000 kilometers per hour, so the probe will have violent friction with the atmosphere, causing severe fever, and the time from entering the Martian atmosphere to landing is only 7 minutes, and we have no communication with the probe during this 7 minutes.

It takes between 6 and 10 months for humans to get to Mars.

Mainly because of the difference in the distance of Mars and the difference in rocket thrust, etc. For example, Mariner 4 took 228 days to reach Mars, Mariner 6 only took 115 days to reach Mars, Viking 1 took more time to reach Mars, reaching 304 days to reach Mars, and only a few probes can basically reach Mars in more than 200 days.

Mars is not immutable from the Earth, but changing, if you choose the closest time to the Earth to launch the probe, then the time is the shortest, of course, the probe can not be accelerated by the gravitational pull of other celestial bodies, otherwise it is still not fast enough. The two planets should be closest together when launched from Earth, and the power system should be strong enough. It is certain that it will take more than 200 days to fly on the current aircraft, but if nuclear propulsion is used, then it can be significantly shortened.

Different Mars probes.

It takes time to take a different time to ask for one.

For example, it takes 7 months to get from Earth to Mars, and the entire flight process starts with the launch of the rocket. At 12:41 on July 23, the "Fat Five" Long March 5 Yao-4 rocket was at the Wenchang Space Launch Site in Hainan.

After more than half an hour, the probe and the rocket separated in space more than 600 kilometers above the ground, and the probe entered the earth fire.

Transfer tracks. Next, after about 7 months of flight in the Earth-fire transfer orbit, with the support of the ground TT&C system, after about 4-5 mid-course corrections and 1 deep-space maneuver to correct the flight path, the orbiter gradually flew closer to Mars and entered the Mars capture stage.