Why is the Sun's outer atmosphere 100 times hotter than its surface?
Feb 14, 2023
Three telescopes were pointed at the Sun to create this unique image that contains never-before-seen light. The Sun’s outer atmosphere, called the corona, reaches temperatures 100 times hotter than its surface baffling scientists because the Sun’s heat originates from its core and travels outward.that the extreme heat in the Sun’s corona could be generated by nanoflares; small eruptions of heat, light, and particles.
NuSTAR typically studies celestial objects outside of the solar system like massive black holes and collapsed stars but astronomers are hoping it will unlock the mysteries of the solar system’s biggest source of energy.
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