2020-08-02

NASA:Perseverance is out of”safe mode” and is about to usher in the first midway orbit correction

By yqqlm yqqlm

NASA Perseverance encountered many unexpected problems after launching into space.

After launching and taking off, the re-reception of the signal was delayed for a period of time. After the signal was regained, the Perseverance entered the earth’s shadow and the temperature was much lower than expected, so Perseverance entered the protective”safety” mode”.

In safe mode, Perseverance will shut down all functions except for key systems. NASA said that there is no need to worry about this situation. Perseverance only needs to return to normal before the next orbit correction.

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Two weeks later, the Perseverance will make its first midway orbit correction:

The Perseverance will enter safe mode on the 30th, and the working group will The fault was located in the cooling system of Freon, and it was stated that the Perseverance could be restored to normal on the 31st. Since there is still a long time before the next engine work, NASA said that there is no need to worry about this situation. The Curiosity has also appeared in this situation. Class problem.

At present, Perseverance has been out of safety mode and resumed normal operation. After 7 months of space travel, it can reach Mars and land on Mars’ Jezero crater on February 18.

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Billions of years ago, there was a lake in the Jezero Crater. It is very likely that Martian life existed. When Perseverance was exploring the Jezero Crater, samples were collected and stored. So that it can be directly brought back to Earth on the next mission.

Russia once implemented a Mars sample collection probe, but due to the failure of the rocket launch, the probe crashed directly on the earth. If Perseverance is successfully logged in, dozens of samples will be selected and stored in sterile test tubes. After the sample collection is successful, NASA will land on Mars in 2026, collect the samples collected by Perseverance, put the samples in the sample tank, and launch them into Mars orbit, and then the orbiter launched by ESA will send the samples back. Earth.

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Mars samples will be sealed, and scientific research can only be conducted after preliminary evaluation.

In order to avoid the threat of Martian material or Martian life to the earth, we will build a Mars sample laboratory with the highest-level infectious disease laboratory on the earth as a template to eliminate any possible dangers.

Although the possibility of real life on Mars is very low, there was a possibility that there was a habitable environment on Mars, and alien life may be far beyond human imagination. It is still necessary to be very cautious to explore aliens.

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Alien samples are the key to exploring space:

Most of the alien samples on Earth are meteorites The form landed on the Earth. At present, the Earth has collected dozens of Mars samples, many of which have evidence of life, but these meteorites have been retained on Earth for a long time, so whether there is life on Mars has always been disputed.

With the advancement of space technology, for the first time humans will independently select Mars samples for collection, which may help humans solve the mystery of Martian life.

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