Which is the first step in the seafloor spreading process? A crack forms in oceanic crust. Volcanoes erupt under the ocean. Molt
2 answers:
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Answer:
Star A is 3.343 times hotter than star B.
Explanation:
It is known that the luminosity of a star is proportional to its effective temperature to the 4th power. This means that the ratio between the brightness of stars A and B is equal to the ratio between their temperatures to the 4th power:
Star A is 3.343 times hotter than star B.