Science

When the universe was half its current age its average temperature was 5.08 Kelvin (-267.92 degrees Celsius), astronomers found after studying a galaxy 7.2 billion light-years away from Earth. Today our 13.77 billion-year-old universe, is 2.73 Kelvin (-270.27 degrees Celsius).

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When the universe was half its current age its average temperature was 5.08 Kelvin (-267.92 degrees Celsius), astronomers found after studying a galaxy 7.2 billion light-years away from Earth. Today our 13.77 billion-year-old universe, is 2.73 Kelvin (-270.27 degrees Celsius).

Read more: http://bit.ly/VkqsFd

Want more science? Subscribe to our daily email alerts: http://bit.ly/YpZkog

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