The exploration of space is a testament to the unfailing human spirit of curiosity and determination. People have pushed their way upward from Earth with kites, balloons, and airplanes but only in the latter half of the 20th century did they brush the edges of space.
The main reason for space exploration is to extend our knowledge of Earth, the solar system, and the universe beyond. The invention of telescopes has allowed astronomers to observe radiation that penetrates the atmosphere and gather information about the Moon and planets. The first artificial satellites, launched into orbit, provided important new data on the physical characteristics of our Solar System. Since then, a series of uncrewed and crewed spacecraft have reached the Moon, orbited Earth, and ventured farther out into the Solar System.
Space exploration has been a tremendously exciting enterprise, but it is also expensive. Until recently, only national governments could afford the huge costs of space exploration. These programs have served a broad range of interests: they have increased scientific knowledge, boosted national prestige and power, enhanced military capability, and contributed to economic development and global stability.
The challenges of space exploration require qualities like creativity, critical thinking, and problem-solving skills. These attributes are essential for addressing many of the social, environmental, and economic problems facing our world. They are also key to ensuring that the next generation of young people is inspired to take up science, technology, engineering, and math (STEM) fields in order to carry on the great work of space exploration.
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