2024-04-22 13:39:39
[SAPOD]“The space image” of the day. We present characteristic images introduced by sorae in the past, attractive images released by space agencies of various countries, and images submitted by fans and experts in space astronomy. (There is a link to the original article at the end of the article)
(Source: sorae portal site to the universe)
Source
- Image credit: NASA
- sorae – How did the Galileo probe discover “life on Earth”? Carl Sagan’s “Experiment”
This was introduced by sorae in an article dated December 6, 2023.The Earth and the Moon seen from 6 million km away by the Galileo space probe“East.
In October 1989, the National Aeronautics and Space Administration (NASA) Jupiter Galileo probe was launched. To gain enough speed to reach Jupiter, Galileo first had to orbit the solar system several times and accelerate as it flew past Earth and Venus.
During the flyby, Galileo observed Earth before his original goal of exploring Jupiter. At this time, Carl Sagan(※1)The group of scientists led by Galileo discovered “life” on Earth using data obtained from observation equipment on board Galileo. That was about 30 years ago.
*1…Carl Sagan (1934 – 1996): American astronomer. He has been involved in planetary exploration projects such as Viking, Voyager and Galileo, and is also famous for works such as “Cosmos” and the science fiction novel “Contact”.
Of course, we know that life, including humans, exists on Earth. However, imagine putting yourself in the alien’s shoes and taking a spacecraft equipped with observation equipment similar to Galileo’s and approaching the third planet in our solar system (Earth ) to observe it.
In the original article,Gareth Dorrian writes: “Carl Sagan detected life on Earth 30 years ago – here’s how his experiment is helping us search for extraterrestrial species today. » How his experiments help today in the search for extraterrestrials.
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