Tag Archives: Subrahmanyan Chandrasekhar

today’s birthday: Subrahmanyan Chandrasekhar (1910)


Subrahmanyan Chandrasekhar (1910)

For his contributions to the knowledge of the evolution of stars, Indian-American astrophysicist Subrahmanyan Chandrasekhar shared the 1983 Nobel Prize in Physics. His work advanced the understanding of white dwarfs, supernovas, neutron stars, and black holes. He determined the maximum mass of a stable white dwarf—about 1.44 solar masses, the Chandrasekhar limit—beyond which a star will ultimately collapse and become a neutron star or black hole. Who else in his family was a Nobel laureate? More… Discuss

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THE ARROW OF TIME


The Arrow of Time

Time is not perfectly symmetrical—if it were, a video of real events would seem realistic whether played forward or backward. British astronomer Arthur Eddington explored time’s perpetually forward motion with his “arrow of time” concept, developed around 1927. The arrow of time explains why humans have the sense that time is continuously moving from the known past to the unknown future. Though the future always seems to be something that one is moving toward, what is it really? More… Discuss

 

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