Author Archives: siyuan2016

Galileo Galilei- Historical Astronomers in Context

Posted on February 9, 2016 by siyuan2016

Galileo Galilei   pic source Italian astronomer, physicist, engineer, philosopher, and mathematician Galileo Galilei ( 15 February 1564 – 8 January 1642) was an astronomer who played an major role in the scientific revolution during the Renaissance.He was called the “father of observational astronomy” and the “father of modern physics”.His contribution to astronomy includes his discovery of the […] Continue reading →

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Solstices and Equinoxes

Posted on January 26, 2016 by siyuan2016

Source:Solstice and equinox dates Astrology plays an important roles in ancient civilizations like Egypt ,Sumeria and China.Because their deep connections to agricultures and societies,solstices and equinoxes were celebrated by both nobles and civilians in China for over a thousand years.And this blog is intended  to introduce some activities and customs popular on these four special days.On […] Continue reading →

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Vast Size and Scale of the Universe

Posted on January 26, 2016 by siyuan2016

Source:Getty We talked about the size and scale of our universe in the class last week, and here I’d like to add some interesting facts and discoveries in this field.Though we have already had some approximations about universe’s age,nowadays it is still hard to estimate the exact size of the it. With the development of […] Continue reading →

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Blog #0 Starting Up

Posted on January 21, 2016 by siyuan2016

from NASA Images
https://www.google.com/search?q=NASA+picture&biw=1163&bih=557&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjbyP7NwbvKAhXDPD4KHRVcBMwQ_AUIBygC#imgrc=OL6tXz81zYdmUM%3A Continue reading →

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