Facts That the you Ought to Know About Space
The human mind by nature awes at the vastness of the space above. This can be attributed to the existence of celebrities and other attributes which happen at different period of the year. People for a very long time have been on a mission to discover the mysteries of their area with the majority of scientists coming up with quite good outcomes. 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 because of the less space exploration done by the different countries with the means. This however does not mean that there are no facts about the space. Listed below are some of the known facts about the space.
The sun is at the center of the universe. 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 attribute makes the sun the most crucial component of the universe. Additionally, it has been discovered that our solar system orbits the sun. Bearing this in mind, it’s necessary to say that sunlight makes up to 99. 8 % of the entire universe.
It is also important to note the fact that the hottest planet is not one that is closest to the sun. The nearest planet to the sun is mercury, as we understand from geography. One of the significant characteristic that does not make mercury the hottest planet is the fact that it does not have an atmosphere. This only explains why it is hot during the day. During this hours, the average temperature can rise 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. It can reach up to 500 degree Celsius in hotness.
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 is due to lack of atmosphere in the area. In earth, this process does not occur without special treatment. This is due to the availability of oxygen in atmosphere. Nevertheless, cold welding is employed in a number of the manufacturing process in the world, under technical conditions. The gear worn by astronauts do not get affected by these effect because of the oxide coat put in the gear.