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J = Jansky ( a unit used in radio astronomy, it was Karl Jansky who developed radio astronomy)
H = Halo (circle of light appearing to surround the sun or moon and resulting from refraction or reflection of light by ice particles in the atmosphere from = Merriam-Webster dictionary definition) I discovered a halo for the first time in January and February and tried to know what it was.
F = Fusion (nuclear fusion) “supports the star’s enormous mass from collapsing in on itself and heats the star so high that it glows and is so bright that we can see it.”
