Kepler’s first law states that each planet orbits the sun in a path called a(n):Group of answer choicesCirclePeriodEllipseEpicycle

Kepler's ________ law states the path of each planet around the sun is an ellipse with the sun at one focus  aThird bSecond cFourth dFirst

Kepler's first law worked, where Copernicus' original heliocentric model failed, because Kepler described the orbits asGroup of answer choicesmuch larger than Copernicus had envisioned.complex, with epicycles to account for retrograde motions.elliptical, not circular.around the Sun, not the earth.being on equants instead of epicycles.

When a planet's orbit takes it closest to the Sun, it's calledGroup of answer choicesperihelionvernal equinoxcrossing the ecliptic.aphelionNone of these; a planet's distance from the Sun never changes.

What do we call the path the sun takes through the sky?Group of answer choicesZenithEclipticParallaxCelestial sphere

Kepler's second law focuses on  athe length of time it take planets to orbit the sun. bthe shape of the planet orbits. cthe origin of a planet's system. dthe speed of planetary travel.