Humans have made many discoveries with especially machines to explore different planets. This website will show you the most important discoveries.
Timeline:
In October 4, 1957, the Soviet Union successfully launched a satellite into space. Although it was not that heavy and the size of a beach ball, it would open a whole new world for everyone in the entire world.
In January 31, 1958, U.S.A launched their first spacecraft called "Explorer 1". This would insprire later projects.
In September 12, 1959, the Soviet Union launched the first spacecraft to land on the moon, Luna 2. This was important because it was the first spacecraft to land on the moon.
In September 5, 1977, U.S.A launched Voyager 1. It was built to study the universe outside the solar system. It was a huge success, being more than 15 billion miles from the Earth.
In April 24, 1990, U.S.A. launched the Hubble Space Telescope. This spacecraft takes clean pictures of far away planets and galaxies. This helped people solve disputes and figure out problems.
In conclusion, these spacecraft and more have influenced space discoveries in many ways.