Answer . i am in need of your . nasa says the sun’s gravitational force keeps the planets in orbit, why do astronauts float in the space if the sun’s gravitational force exists?

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consider the mass of the earth and the mass of the sun. then consider the distance between the astronaut and the sun.

you will see that the force of the Earth's gravity is much greater due to the formula above as the very large distance from the sun

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.

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