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3 Space Facts the you Should Know

The beauty of the space is one thing that keeps the human mind thinking. This is because of all the natural features like stars that occur during different times of the year on the clouds. For a long time now, humans have been trying to find explanations for the things that happen in space. The space is characterized by the presence of different bodies like stars and planets. Nonetheless, not so much facts are known about the space. This is attributed to the fact that there have been so little space exploration expedition. However, this is not to mean that you can not find facts about space. Following are a few of the significant space details that you ought to know.

At the center of the universe you will find the sun. The sun has been found to contain a significant mass of matter, which can be filled by up to one million times the mass of earth. This feature makes the sunlight the most important part of the universe. It has also been observed that our solar system orbits the sun. With this in mind, it is important to state that the sun makes up to 99. 8 % of the entire universe.

It is very significant for you to know that the closest planet to the sun is not the hottest planet in the universe. From basic knowledge it is known that mercury is the planet that is close to the sun. Among the substantial feature that doesn’t earn mercury the most popular planet is the simple fact that it doesn’t have an air. This leaves it warm during the day if its surface is totally exposed to sunlight. During the day the temperatures can go up to 425 degrees Celsius. However, at night the planet becomes cold as low as -180 degree Celsius. The most hot planet in distance is Venus on account of the capability of its thick clouds to trap the warmth coming from the sun which makes it warm constantly. The amount of hotness can attain up to 500 degree Celsius.

A very interesting fact about metals in space is that it sticks together when two of them come together. They attach to each other in a process called cold welding. This happens as a result of the absence of air in space. In earth, this process does not occur without specific treatment. This is due to the availability of oxygen in atmosphere. However, cold welding is used in some of the manufacturing process on earth, under specialized conditions. Those equipment put on by astronauts do not get affected by this because of the coat of oxide put put in them.
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