(2016.17)
“All planets in the solar system follow elliptical orbits with the Sun located at one focus of the ellipse.” This statement is best summarized by which one of the following choices?
选项:
A:
Kepler’s First Law
B:
Kepler’s Second Law
C:
Newton’s Universal Law of Gravitation
D:
Einstein’s Law of Gravity
E:
Schwarzchild’s Law of Orbits