• describe how the evolution of the universe, including the formation of galaxies and stars, has
continued since the Big Bang
Life would not exist without the Sun
How did the Sun form?
Like other stars, our sun was formed from a collapsing
cloud of gas and dust. Its core temperature and pressure
eventually rose high enough for atomic nuclei to become
joined together by a process called nuclear fusion
releasing large amounts of energy as light and heat.
Violently churning gas and
The presence of many sunspots
massive amounts of particles
corresponds with a time of high
and energy spreading out
activity on the sun’s surface.
into space.
This activity produces a large
number of particles that spread
out from the sun.
The amount of activity on the sun’s
Sunspots are dark areas on the Sun
surface is not constant. It varies
because they are cooler than the
over a fairly regular cycle, which
surrounding areas.
takes about 11 years to complete.
What do the below pictures show? How are these created?
COULD THESE CHARGED PARTICLES EJECTED FROM THE SUN CAUSE THE END OF THE WORLD??