So far, the only planets that humans have been to are the Earth and the Moon. The first time humans landed on the moon was on July 20th, 1969 1 1. The American lunar exploration spacecraft Apollo1carried astronauts to the moon for the first time. But if you count the human planet detectors, the planets that humans have explored include Venus, Mercury, Mars and the Moon.

As early as1September 1959 14, the former Soviet Union launched the unmanned probe named "Moon II". Unfortunately, due to the technical conditions at that time, Lunar 2 directly fell to the surface of the moon, causing its radio communication device to stop working. Even so. Lunar 2 became the first human probe to reach the moon.

1February 3, 966, unmanned lunar probe 9 made a soft landing near the moon storm ocean. 1969, Apollo 1 1 of NASA successfully landed on the moon, making the moon the only extraterrestrial object that humans have landed on so far.

1 March, 9661day, Venus III launched by the former Soviet Union successfully landed on Venus, and Venus III became the first human probe to land on other planets. However, when it landed, the probe failed and did not return any data. 1970,65438+February, 15 On this day, Venus 7 finally achieved a soft landing of Venus and sent back data about Venus. The following year1October 27th, 165438+, the Mars-2 probe launched by the former Soviet Union reached the Martian continent and crashed into the Hellas basin on Mars.

1 On July 20th, 976, the Viking1probe launched by NASA landed on Mars and sent back an incredible full-color map of Mars. For the first time, we know the true face of Mars.

In 200 1 year, NASA's Shoemaker probe successfully landed on Eros, becoming the first probe to successfully land on an asteroid in human history. June, 65438+June, 654381October+April, 2005, the Huygens probe launched by NASA successfully landed on the surface of Titan, sending back a large number of real photos of Titan, which is also the first time that human beings landed on satellites beyond the moon.

On June 26, 2005, the Japanese Hayabusa micro probe landed on the asteroid "Sagawa" and collected samples of the asteroid. On June 3, 20 10, Hayabusa returned to the earth, crashed into the earth's atmosphere and turned into ashes, and its sample cabin was successfully recovered. After that, Hayabusa 2 landed on the surface of the asteroid "Dragon Palace", and it collected the internal materials of the asteroid "Dragon Palace" more deeply.