• From May 27 to 28, 2022 Beijing time, an asteroid named 7335 flew over the earth

    this asteroid about the size of 8 football fields will fly across the earth at the speed of 21 kilometers per second, which is the initial speed of AK-47 muzzle [2] 30 times. (according to the data of most media at present, it is close to 14:26 UTC (May 27), that is, 22:26 PM Beijing time. But the data obtained from observation conflicts with this time, I will check again.) the nearest distance from the earth is 0.027 astronomical units, or 4.03 million kilometers. It is 10.5 times the distance…

    May 27, 2022
  • An asteroid will pass the earth on May 27, May 24 (Liu Yazhu) according to Sichuan observation, an asteroid named 1989 JA will pass the earth on May 27.

    May 24, 2022
  • The tianwen-2 asteroid probe has entered the preliminary development stage and is expected to be launched in 2025

    According to the news from it home on May 13, Zhang Rongqiao, chief designer of China’s first Mars exploration mission, was interviewed by CCTV. He said that up to now, our zhurong Mars rover has traveled more than 1.9 kilometers. Our tianwen-1 is orbiting Mars and will also achieve global coverage of Mars. At present, the two probes are in good condition, so we have obtained a large amount of scientific exploration data, The interpretation of the data is being carried out. It is reported that the tianwen-2 asteroid probe…

    May 12, 2022
  • If an asteroid is about to hit the earth, can humans change its orbit with a probe?

    On November 24, 2021, NASA launched a special spaceship mission called Double asterioid redirection test, referred to as dart , Translated as “ Double asteroid redirection test ”, NASA claims that this is the first probe launched for the purpose of Planetary Defense. The purpose of this mission is to conduct an impact test. In short, the probe flies thousands of miles near the target asteroid, and then flies into the asteroid to see if the original orbit of the asteroid will deviate. The process is slightly tragic. It has…

    May 10, 2022 science