When we look up at the heavens, we always wonder how marvelous the universe is. Though everyone is merely a dot in the vast universe we dream of roaming in space. How to make this happen? Uncountable persons have offered their answers.
The First Man Flying to The Sky-Wan hu
American rocket scientist Herbert S. Zim, in his 1945 book “Rockets and jet engines” (Rockets and jets), mentions: “Around the end of the 14th century, a Chinese official named Wan hu mounted 47 of the largest rockets possible to buy at the time on the back of a seat. He tied himself to the front of the chair and held a large kite in each hand. Then he told his servants to light the 47 large rockets at the same time, to use the force of the rockets pushing forward, combined with the force of the kite rising to fly ahead.” As a result, he died in his pursuit. Stupid but great.
The Father of Aerospace-Константин Эдуардович Циолковский-
After being absent from school due to illness, he studied by himself till the age of 16. He became a middle school mathematics teacher with his knowledge base in Moscow Library. Tsiolkovsky became interested in natural science in the course of teaching, especially the theory of gas and reaction force.
In 1880, at the age of 23, he began to write his first research paper “Theory of Gas”, which discussed the kinetic energy theorem applicable to gas. However, after submitting them to the Russian Society of Physical Chemistry, he was told that these theories were discovered as early as 25 years ago.
In 1892, he transferred to a slightly idle teaching position and began to try to build a foldable rigid airship;
In 1894, he wrote a paper “Aircraft or Bird-shaped Aircraft”, conceived a fixed single-wing aircraft with a metal skeleton and skin (note that it is single-wing), drew related conceptual maps, and predicted that it would be manufactured in 15 to 18 years. More than nine years later, on December 17, 1903, this thing was made by the Wright brothers and soared;
In 1896, he became interested in rockets. Based on various related studies before, the Tsiolkovsky rocket equation is derived, which lays a solid foundation for modern aerospace.
The First Plane Inventor-Wright Brothers
The first plane was invented by the Wright brothers. “Flyer 1,” the first airplane in human history, was successfully tested on December 17, 1903. “Flyer One” flew four times in total, and the best result was to fly 260 meters in 59 seconds. It is indeed a great day, making human aerospace into a new chapter.
Compared with the mileage of modern aviation aircraft, the achievements of “Flyer One” are insignificant. However, it was the successful test flight of “Flyer 1” that officially kicked off the history of human power aviation.
Research of Life on Other Planets
Except for flying to the sky, people are also obsessed with researching life on other planets such as Saturn, Venus, and Mercury, or the moons of these planets, etc.
The Moons of Saturn
Life won’t exist in Saturn. Because it is a gaseous planet, not a solid planet. And because the high-speed rotation produces extremely strong storms on the surface, human beings can’t stand on their feet at all, let alone survive independently. Besides, Jupiter is far away from the sun. The two most important elements of the terrestrial ecosystem on which human beings depend (solar energy and water) are not available, even though Mars or Europa is far superior to Jupiter.
However, life may exist on the moons of Saturn.
Saturn’s sixth-largest moon is completely covered with clean ice, making it one of the most reflective celestial bodies in the solar system. Its surface is cold, but there is quite a lot of activity below it. The plume from the moon contains countless different compounds, including salt water, ammonia, and organic molecules such as methane and propane.
Enceladus is thought to have the global Aral Sea, and NASA has found evidence of hydrothermal activity deep underground, which will probably provide a heat source and give life a chance to evolve and multiply.
The way to the sky is full of thorns but it never scares people who are obsessed with the vast universe with such beautiful and marvelous scenes.
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