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The world's 10 most famous astronomical telescopes
Astronomical telescopes are an important tool for observing celestial objects and can greatly facilitate the search and understanding of celestial targets. People have always been curious about outer space, and the birth and development of astronomical telescopes have facilitated the process of astronomy and expanded people's knowledge of the universe. Do you know what are the famous astronomical telescopes? -
The world's largest family, the whole family grandchildren a total of 180 people
Although polygamy is outdated and ethically criticized, it does not mean that it has completely disappeared from the world. In fact, because of religion, there are still many people who still maintain this "tradition". There is a man named Chana in India who married 39 wives and had 94 children in his lifetime, making him the largest family in the world! -
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The world's 10 best sounding birds
The world is full of birds with beautiful voices and shapes, and the call of birds is one of the most beautiful sounds in nature. From small to large, colorful, sweet-sounding, bad-sounding, beautiful-looking and ugly-looking. Each bird has its own unique song and style, so, do you know what birds sound good? -
The world's longest-lived birds: red eagles can reach 70 years of age
We all know that birds tend to have a relatively short lifespan, and small birds like sparrows live only a few years. But there is a bird in the world that has a long life span that can rival that of humans. The longest-lived bird in the world is the red eagle, with a lifetime age of up to 70 years -
The world's longest feathered bird: long-tailed chicken tail feathers up to 12.5 meters
In bird flight, the tail feathers of birds are very important, the tail plays the role of rudder in flight, which helps birds to grasp the direction of flight. When it comes to the world's longest feathered bird, most people's first thought is the peacock, so in addition to the peacock, what other kind of bird feathers are the longest? The longest feathered bird in the world is the long-tailed chicken, with a tail length of up to 6-7 meters; and in 1974 a long-tailed chicken with a tail length of up to 12.5 meters -
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The world's top ten famous space satellite launch bases
Spacecraft launch sites undertake a series of important tasks such as launching satellites, manned spacecraft and space shuttles. Since the development of space science and technology for half a century, the space launch centers with complete functions and facilities have been established one after another by the major spacefaring countries. Now let's take a look at the world's top ten famous space satellite launch bases -
The world's largest egg Guinness World Record: 8 cm long, weighing about 160 grams
As one of the indispensable foods in our daily diet, eggs are eaten in a variety of ways. The Guinness World Record for the largest egg in the world is 160 grams, which is three times the size of an ordinary egg. -
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World's top 10 core technologies ranking
Technology is vital for every country. In today's world, every country pays great attention to the development of science and technology industry, and only technology can bring progress. So do you know what are the top 10 core technologies in the world? -
The world's most fireproof tree
When you walk towards the big forest, you can see the "no fireworks" wooden sign from afar. Because trees are easy to catch fire, a small fire can burn down a large forest. However, in the South China Sea area, there is a tree called sea pine, with its wood made of pipe, even if it is adult smoke and fire, can not be burned. -
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The world's ten deepest sea
It is well known that there are four major oceans on earth: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean and the Arctic Ocean, occupying a total area of 70%, in which a large number of plants and animals as well as mineral resources live, leaving valuable wealth to mankind. The size of each ocean varies, and the depth is shocking.
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