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Apossible explanation for a set of facts that can be tested by further investigation is called
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The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
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The weight of an object on Earth is 350 newtons. On Mars, the same object would weigh 134 newtons. W...
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