Memory Game Astronomy Memory GameOnline version Astronomy Memory Game by Grant Studios Sunspots are cooler than the plasma around them In the convection zone plasma rises as it heats up then falls In the convection zone plasma rises as it heats up then falls A planets revolution is the slowest when furthest from the sun Sunspots are cooler than the plasma around them In the core is where fusion of hydrogen occurs in the sun Hydrogen and Helium make up most of the suns mass According to Keplers first law planets orbit in a Ellipse Atoms are combined into heavier elements through the process called Nuclear Fusion A planets revolution is the slowest when furthest from the sun The "r" in Keplers third law stand for Radius Hydrogen and Helium make up most of the suns mass Atoms are combined into heavier elements through the process called Nuclear Fusion The "r" in Keplers third law stand for Radius The "p" in Keplers third law stands or Orbital Period 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 According to Keplers first law planets orbit in a Ellipse 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 The "p" in Keplers third law stands or Orbital Period In the core is where fusion of hydrogen occurs in the sun