In which specific electromagnetic radiation do supernova remnants glow brightly due to shockwaves heating gas to millions of degrees?
Answer
X-rays
Supernova remnants are highly energized cosmic laboratories. The intense shockwaves generated by the blast wave colliding with the interstellar medium compress and heat the material to extreme temperatures, often reaching millions of degrees Celsius. This superheated gas emits radiation intensely across the electromagnetic spectrum, but it is particularly noted for glowing brightly in the X-ray range. Furthermore, the interaction between magnetic fields and high-energy particles accelerated by these same shockwaves causes the remnant to also be a strong source of radio waves.
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What Is A Supernova Remnant (SNR)? - Physics Frontier - YouTube
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