N Nikel New member May 14, 2010 #1 stellar motion tells us? a)the orbital period of the planet. b)the planet's size. c)the planet's density. d)the orbital eccentricity of the planet. e)the planet's mass.
stellar motion tells us? a)the orbital period of the planet. b)the planet's size. c)the planet's density. d)the orbital eccentricity of the planet. e)the planet's mass.