The point in a planet's orbit where it is farthest from the sun is called the
omnihelion
perihelion
aphelion
solstice

farthest - aphelion

closest - perihelion

solstice - the time when the Sun is directly overhead either its northernmost or southernmost point on Earth; usually around June 21 in the northern hemisphere and December 21 in the southern hemisphere

omnihelion - i have no memory :')

they are non-matter

explanation:

they are non-matter. basically, any type of energy or any abstract concept is an example of something that does not matter. other examples include dreams, magnetism, radio, and hate

grav potential energy