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Some Points in Regards to the Greatness of the Universe

3- The issue of the temperature of the planets is a quite interesting one. Just as we mentioned previously, the outer temperature of the sun is around 6,000 degrees Celsius. The outer temperature of other stars like the Capricorn or Sirius reaches 8,000 and 11,000 respectively, while their internal temperatures oftentimes exceed millions of degrees in Celsius.

4- The constellations are composed of millions of stars and due to the vast distances between these stars, they are sometimes seen as a single point of light or as a long ribbon of stars (such as the milky way). Through the use of astronomical telescopes, studies have proven that each of these constellations is a vast world unto themselves. 

Our own solar system, in spite of its vast size, is only a small section of any one of these vast constellations. Even our sun is considered a medium sized star in relation to these constellations. Some of these constellations are so large that a light beam would take 100,000 years to travel across their vast expanses. What is interesting is that our own sun orbits around the center of these constellations once every 240 million years.

5- On some clear nights, it is possible to see certain stars as very thin and subtle clouds and these are called nebulas. Each one of these nebulas is a separate world unto itself and the closest of these nebulas is Andromeda. Several stars from this constellation can clearly be seen while this constellation is much larger than any of the constellations found within our own solar system. In addition, it lies at a distance of 1.8 million light years away from earth.