Archives
  • Sun's Oldest Mystery Solved: Why is Sun's Atmosphere Hotter Than Its Surface?

    The solar corona is as hot as 1-3 million degrees, while the surface is a mere 6000°C. A question that has been boggling the scientists' mind for quite a while has finally been answered --- Why is the sun's outer atmosphere or corona millions of degrees hotter than its surface? IFL Science reported that the solar corona is as hot as 1-3 million degrees, while the surface is a mere 6000°C.