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Space travel is a fascinating topic that has intrigued humans for centuries. With the advancement of technology, we have been able to make tremendous strides in exploring the cosmos. Here are ten amazing facts about space travel that every beginner should know.
1. The first-ever human being to travel to space was Yuri Gagarin on April 12, 1961. He orbited the Earth once and returned safely in 108 minutes.
2. The first American to travel to space was Alan Shepard on May 5, 1961. He was on a suborbital flight, which means he didn’t orbit the Earth, but he was still considered the first American in space.
3. Satellites orbiting the Earth move at an average speed of 17,500 miles per hour. This helps to keep them in orbit and maintain communication with the ground.
4. The International Space Station (ISS) is the largest man-made structure in space. It is about the size of a football field and has been continuously occupied since November 2000.
5. Astronauts experience a state of weightlessness in space because they are in constant free fall, it is called “microgravity”. This allows them to float and move freely.
6. There is no air or atmosphere in space, which makes it impossible to breathe without a spacesuit that carries oxygen and regulates temperature.
7. The moon is the only celestial body that humans have landed upon. The first moon landing was in 1969, carried out by Neil Armstrong and Buzz Aldrin.
8. The journey from Earth to Mars can take anywhere from six to eight months. There is an optimal time for launch when the planets are in the right position to save fuel and travel time.
9. NASA’s Voyager 1 spacecraft was launched in 1977 and is now the farthest man-made object from Earth. It is over 14 billion miles away and still transmitting data back to Earth.
10. Humans still have a lot to learn about space. Many missions are being planned to study asteroids, explore more of our solar system, and even travel to other star systems.
These facts only scratch the surface of what we know about space travel, but they offer a great starting point for beginners. Space is a vast and mysterious frontier, and we are still discovering new things about it every day. The future of space travel is exciting, and we can’t wait to see what else we will uncover.
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