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