Based on kepler’s work, which best describes the orbit of a planet around the sun? a circle with the sun at the very center an ellipse with the sun at the very center a circle with the sun at one edge an ellipse with the sun at one focus

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit