The following is personal opinion and is for reference only.
Orion There are several nebula that are easy to observe. In this issue, let’s enjoy the famous horse head nebula . The name of the Horse Head Nebula is because it looks exactly like a Horse Head. Here, 1,500 light years away from the Earth, is a nebula that can be seen clearly using only optical telescopes.
Horsehead Nebula is located next to the belt of Orion and is easily found in the clear night sky. Nebula is not a real celestial body, but an area where there is a large amount of dust and gas, and the bright starry sky formed by the illumination of stars. Generally speaking, huge nebula is the cradle of the birth of new stars. One of the reasons for the existence of the
nebula is that there are wreckage left behind by massive stars at this location or the supernova erupts . For example, the sun will begin to expand before collapses in 5 billion years, and can expand to hundreds of times its own. After the internal nuclear fusion is extinguished, it will collapse. The gas and dust left in space due to expansion will form a nebula. Seeing the existence of nebula means that stars may have died here.
Horse Head Nebula is a huge nebula with an average diameter of about 7 light years. Nebula will form new stars after a long time, just like the sun, belonging to the second or third generations of stars. Because this kind of nebula is formed after the explosion of super-large stars, there will be many elements in the nebula that can form rocky planets like the Earth. The possibility of life being formed on solid-state planets is still greater than that of gaseous planets. The formation of new stars and the formation of new rocky planets means that the probability of life formation has increased. Perhaps in another hundreds of millions of years, life here will begin to observe the solar system.
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