Memory Game Astronomy Memory GameOnline version Astronomy Memory Game by Grant Studios According to Keplers first law planets orbit in a Ellipse According to Keplers first law planets orbit in a Ellipse In the core is where fusion of hydrogen occurs in the sun In the core is where fusion of hydrogen occurs in the sun The "p" in Keplers third law stands or Orbital Period A planets revolution is the slowest when furthest from the sun Atoms are combined into heavier elements through the process called Nuclear Fusion Sunspots are cooler than the plasma around them The "r" in Keplers third law stand for Radius Sunspots are cooler than the plasma around them A solar prominence (also known as a filament when viewed against the solar disk) is a large, bright feature extending outward from the Sun's surface In the convection zone plasma rises as it heats up then falls A solar prominence (also known as a filament when viewed against the solar disk) is a large, bright feature extending outward from the Sun's surface A planets revolution is the slowest when furthest from the sun Atoms are combined into heavier elements through the process called Nuclear Fusion In the convection zone plasma rises as it heats up then falls The "r" in Keplers third law stand for Radius The "p" in Keplers third law stands or Orbital Period Hydrogen and Helium make up most of the suns mass Hydrogen and Helium make up most of the suns mass