Answer:
The earliest notated European music was Gregorian Chant. This was a monophonic form of music with all folks contributing their vocal music in 'one voice'. The oldest evidence of this notation comes from around the year 850 and was called the Musica Disciplina of Aurelian of Reome.
Explanation:
The energy emitted from stars is the result of fusion.
Fusion is a process where two or further tittles are combined together to form a new patch.
As in the question it's stated that refulgence is the quantum of energy emitted by a star each second is true, because of the emulsion of hydrogen titles to helium snippet and high quantum of energy is released in the form of light. And Stars radiate light over a broad range of frequentness in the electromagnetic diapason, from low-energy radio swells to high-energy gamma shafts.
Hence, emulsion energy is emitted from stars in the luminous.
Learn more about fusion here: brainly.com/question/890176
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A word describing the medium
