Science

Thursday, December 2, 2010

Our galaxy has more stars than we thought
by Zivka Deleva


Scientists find that the sky above us may contain much more stars than we really think, or the science has by far counted. You are about to read some weird numbers like 300 sextillion, which would be about three times more than scientists thought before. The word sextillion means nothing to me, but to be more clear, it contains 23 zeros!!! It is still incomprehensible for us but that's that, who says we must understand everything! And how did the scientists come with this finding? Like they explained in the journal Nature, they affirmed that there are more red dwarf stars which are the most presented in the universe. Two scientists - Yale University astronomer Pieter va! n Dokkum and Harvard astrophysicist Charlie Conroy Taking very seriously taking the thesis that the most galaxies have the same properties as the Milky Way. To be honest with you, I really don't understand how does anyone can count the stars. When we were little, elders would make jokes of us and ask us some riddles - how many grains of sand is there and the answer was - as much as stars there are in the sky! Scientists use the theory of parallel observation made in our galaxy in counting and than use it for others galaxy. But, not all of them are spiral as ours, but one third of them are elliptical. There is the answer! The both scientists came to the conclusion that the elliptical galaxies have more red dwarf stars than we used to think. It's good to think about something else, something nice like stars for a change and go away from the everyday banality, don't you think?
by Zi! vka Dele va
for Cantell TV (http://cantell.tv)

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