It makes a text of 50-70 words to begin with: look at the world with wide open eyes, and end up with the words: there has been a miracle!
Explanation:
The streams of dust and gas thus released form a huge and extremely thin atmosphere around the comet called the "coma". The force exerted on the coma by the Sun's radiation pressure and solar wind cause an enormous "tail" to form pointing away from the Sun.
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Busuu is really good, i love it
