Google is paying tribute to the first astrophysicist to win the Nobel Prize.
On Thursday, Google revamped its logo to honor Subrahmanyan Chandrasekhar, who developed a theory on how stars evolve.
His theory, called the Chandrasekhar limit, states when a star’s mass is lighter than 1.4 times that of the sun, it collapses into a stage called a “white dwarf.” If it’s heavier, the process can continue until it becomes a black hole or supernova explosion.
The animated logo features a scale with suns of varying sizes on one side, and a weight with the number 1.44 on the other side.
Chandrasekhar started developing his theories in the 1930s, but didn’t earn his Nobel Prize for the discovery until 1983. He received other honors, including the National Medal of Science and the gold medal of the Royal Astronomical Society.
Chandrasekhar would have turned 107 years old on Thursday.
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