Erick T. Young. (February 2010). Cloudy with a Chance of Stars. Scientific American, pp. 34 - 41. Everyone who has taken basic science in school and has learned a little about space knows how stars, planets and solar systems are formed. See: Solar System Formation. (What you also learned in science class is to included gravity in this process. Gravity is what causes the cloud to condense on itself.) Well, true star formation does not seem to be so easy. Four main questions bear answering, as shown in: A Star is Born -with Difficulty. Key Concepts: 1: Although astronomers’ theory of star formation has advanced substantially in recent years, it still has serious holes. Stars form out of gaseous clouds that collapse, yet where do those clouds come from and what makes them collapse? 2: In addition, standard theory treats stars in isolation, neglecting their interactions and blowback on their natal clouds. 3: Astronomers are making progress on filling in these gaps. For instance, they have seen how massive stars can trigger the collapse of clouds and how newborn stars fling one another into deep space.
Posted on: Wed, 26 Mar 2014 00:42:48 +0000
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