#8 – Hawaii moves 7.5 cm closer to Alaska every year
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The earth's crust consists of several huge pieces - tectonic plates. These plates are constantly moving together with the upper layer of the mantle. Hawaii is located in the middle of the Pacific plate, which is slowly drifting in a northwesterly direction to the North American Plate, where just Alaska is located. The tectonic plates are moving with the same speed as human nails rise.
#7 – After 2.3 billion years there will be too hot on Earth to live there
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Our planet will eventually become a vast desert - like Mars now. Hundreds of millions of years, the sun is heating up, getting brighter and hotter, and it will continue to do it. Approximately in two and a half billion years the temperature becomes so high that the oceans that make Earth suitable for life will evaporate. As scientists predict in the next few billion years the Sun will become a red giant and engulf the Earth entirely - the planet will definitely come to an end.
#6 – It’s almost impossible to detect polar bears with the thermal imager
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Infrared cameras are able to detect an object of heat, which it emits. But polar bears are expert in the preservation of heat. Due to the thick layer of fat and a warm coat, the bears are able to tolerate even the coldest days in the Arctic.
#5 – Light takes 8 minutes 19 seconds to travel from the Sun to the Earth
It is known that the speed of light is 300,000 kilometers per second. But even with such breakneck speed it takes some time for light to cover the distance between the Sun and Earth. 8 minutes is not so much in a cosmic scale. For example, to reach Pluto, sunlight will require 5.5 hours.
#4 – If you remove all the interatomic space, mankind will fit in a cube of sugar
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In fact, more than 99.9999% of the atom is an empty space. An atom consists of a tiny dense core, surrounded by a cloud of electrons, which are proportionately occupy major space. This is because the electrons move in waves. They can exist only where the crests and troughs of the waves add up in a certain way. The electrons do not stay at one point, their location can be anywhere within the orbit, and that’s why they take up too much space.
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