Exam Questions and CORRECT Answers
Johannes Kepler - CORRECT ANSWER - German astronomer who first stated laws of
planetary motion
Aristarchus - CORRECT ANSWER - Heliocentric theory
Isaac Newton - CORRECT ANSWER - described the laws of motion(inertia) and gravity
Geocentric Theory - CORRECT ANSWER - Earth is the center of the Universe
Kepler's Laws - CORRECT ANSWER - three laws that describe the orbits of planets and
other orbiting bodies
Nuclear Fusion - CORRECT ANSWER - the source of the sun's energy
Photosphere - CORRECT ANSWER - the visible surface of the sun
Core of the Sun - CORRECT ANSWER - where nuclear fusion takes place
Planets - CORRECT ANSWER - Rotate and revolve
Nebula - CORRECT ANSWER - where the entire solar system originated
Ellipse - CORRECT ANSWER - A elongated circle, or oval shape, the shape of the
planets orbit.