Chapter.6,les.1
Published on Mar 21, 2016
No Description
MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
WHAT IS AN ASTRONOMICAL UNIT?
- A astronomical unit is the mean or average distance between the sun and earth is 149,591,000 km.
Photo by NASA's Marshall Space Flight Center
WHAT IS A FUSION?
- This smashing together of particles is called fusion.
Photo by NASA's Marshall Space Flight Center
WHAT IS THE SUN?
- The sun is a big star.
- The sun gives light to earth.
- The sun is the only planet the produces its own energy.
- The sun is so big that millions of earth fit in the sun.
Photo by Dead Air
HOW CAN THE MASS OF THE SUN BE CALCULATED?
- The sun can be calculated if you know two facts.
- The first fact is the length of time it takes for the planet to make one trip around the sun.
- The second is the distance between the planet and the sun.
Photo by NASA's Marshall Space Flight Center
WHAT GASES COMPOSED THE SUN?
- The sun is a huge sphere made up mostly of two very light gases,hydrogen and helium.
- About 71% of the suns mass is made up of hydrogen.
- Another 27% is made up of helium.
Photo by NASA's Marshall Space Flight Center
WHERE IS MOST OF THE ENERGY THE SUN PRODUCES FORMED?
- Most of the energy that the sun produces is formed in its core.
Photo by Image Editor
WHAT LAYER OF THE SUN IS VISIBLE?
- The photosphere is the visible surface of the sun.
Photo by NASA Goddard Photo and Video
WHAT IS AURORA BOREALIS?
- Energy from the solar flares also causes displays of different colored lights in the upper atmosphere.
- These lights are called aurora borealis.
Photo by Visit Finland
HOW DOES THE SUN PRODUCE ENERGY?
- More than 100 years ago,Albert Einstein discovered a relationship between energy and mass.
Photo by VinothChandar
