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