Earth's orbit is a nearly circular ellipse with the Sun at one focus. How
would its orbit change if Earth were twice as massive?
The orbit would still be an ellipse, but the Sun would now be at the center of the
ellipse.
The orbit would become a much flatter, more eccentric ellipse.
Earth would fly off into space, never to return.
The orbit would not change at all.



Answer :

Final answer:

If Earth were twice as massive, its orbit around the Sun would not change.


Explanation:

The orbit would not change at all. When considering a change in Earth's mass, its orbit around the Sun would not be altered because the mass of the Earth does not affect the shape of its orbit or the position of the Sun within that orbit.


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