Important Space Facts that you Need to Know
The human head by character awes in the vastness of the distance over. 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 as we know it is filled with planets and other bodies like the steroids and stars. 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. 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 closest planet to the sun is mercury, as we know from geography. 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 makes it hot during the day when its surface is fully exposed to the sun. 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. 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. The process in which they bond is referred to as cold welding. This is due to lack of atmosphere in the area. In earth, this process does not occur without special treatment. This can be attributed to the presence of oxygen in the environment. Nonetheless, in some manufacturing process, cold welding is used 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.