Ten Development History and Functions of Telescope 1 Telescope, also known as a telescope, is used if you want to see the moon. Generally, you can see craters 20 times, the surface of the moon 40 times, and the potholes on the surface of the moon 70 times or more.
2. Telescope has three functions: light collection, resolution and amplification. One of the most important factors that determine the performance of a telescope is the aperture, or the lens or diameter of the telescope. Its aperture determines the brightness and clarity of the image.
Telescopes not only help to magnify distant objects, but also allow people to see light waves other than visible light, including gamma rays, X rays, ultraviolet rays, infrared rays, microwaves and radio waves. ? Telescope? This word comes from Greek, which means? Is it far? And then what? Do you see it? .
Galileo did not invent the telescope, however, he was the first person to peep at the night sky with a telescope in an orderly way. Hans, a Dutch glasses manufacturer? Lippert invented the optical telescope (a telescope that can see visible light) in 1608.
5. The most expensive telescope in the world is the Hubble Space Telescope, which costs 2 1 billion dollars. Why is the Hubble Space Telescope so expensive? Because Hubble Space Telescope can take pictures of the top ten in the universe, which is unmatched by other telescopes. Hubble Space Telescope can observe objects in space under visible light, ultraviolet light and infrared light.
Before the invention of the telescope, early astronomers used many different instruments to study stars, including astrolabes, quadrants and capillary spheres. Hubble Space Telescope is the most productive scientific instrument in history. It is about the size of a school bus and weighs more than 1 1 ton on the earth.
7. Telescopes can see places 654.38+03 billion light years away. Scientists believe that this is the age of the universe. Hubble Space Telescope is revolutionary, not only because it helps astronomers perfect the age of the universe, but also helps scientists discover dark energy, a mysterious force that accelerates the expansion of the universe.
8. Telescope is one of the main instruments in the industrial revolution. Since 1990, the Hubble Space Telescope has traveled more than 3 billion miles and made more than1200,000 observations. The only two planets in the solar system that have not been photographed by Hubble Space Telescope are Earth and Mercury. Hubble is too close to the earth to take a clear picture. Mercury is too close to the sun, and the strong reflected light from the planet will damage the instrument.
9. Telescopes revolutionized not only science but also philosophy. The Hubble Space Telescope has taken thousands of photos, but the most famous one may be called? The pillar of creation? Many people say that the pillar of creation is getting more and more horrible. In fact, these pillars are huge clouds of gas and dust in the distant Eagle Nebula.
With the help of a telescope, Galileo discovered the craters on Jupiter's satellite and the Earth's satellite. He also observed the sun through a telescope, which may be one of the reasons for his blindness in his later years.