问题描述：
英语翻译
Yes.It is falling around the sun.Its not falling into the sun because the earth is also moving perpendicular to the force of gravity.Gravity is constantly pulling on it but at different angles so that the by the time the earth is moving in the direction the sun's gravity was pulling on it its now quarter of the way around it and the direction the sun is pulling on the earth is perpendicular that of the original state.
Yes.It is falling around the sun.Its not falling into the sun because the earth is also moving perpendicular to the force of gravity.Gravity is constantly pulling on it but at different angles so that the by the time the earth is moving in the direction the sun's gravity was pulling on it its now quarter of the way around it and the direction the sun is pulling on the earth is perpendicular that of the original state.
问题解答：
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