10 Interesting Fact About Interesting facts about space exploration

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• Humans have sent spacecraft to other planets, including Mars and Venus.
• Voyager 1 spacecraft has traveled for more than 40 years and is still operating.
• The moon is the natural satellite of the earth and is the first place ever visited by humans.
• There are more than 2000 satellites that surround the earth today and some of them are used for weather communication and monitoring.
• The Milky Way Galaxy, where the earth is located, has around 100 billion stars.
• There are more than 100 billion galaxies in the observed universe.
• The first astronaut walking in space was Alexei Leonov from the Soviet Union in 1965.
• The area outside the earth's atmosphere is called space, which starts at an altitude of about 100 km above the surface of the earth.
• There are many current space exploration programs, including from NASA, ESA, and other space agencies.
• There are many space telescopes used to study the universe and take pictures of objects such as galaxies and stars.