How do stars get their energy?
93 million miles
How far is the Sun from Earth?
January 1st (Perihelion)
When is the Earth closest to the Sun?
July 1st (Aphelion)
When is the Earth farthest from the Sun?
Combines atoms of lighter elements into heavier elements.
the 4th state of matter and is the result of great heat and pressure.
E = energy m = mass c = speed of light What is Einstein's equation for energy?
the visible surface of the Sun
the inner layer of the Sun's atmosphere. It extends thousands of Km.
Sun's thin outer atmosphere
Dark spots on the photosphere.
a constant stream of electrically charged particles from the corona.
caused as the solar wind passes through the Earth's magnetic field at the poles.
a hole in the corona giving off huge amounts of solar wind
outbursts of light from sun spots giving off large amounts of solar wind.
caused by particles coronal holes and solar flares are added to the solar wind. These storms may interrupt cell phones, radios, TV's, etc
Who developed the Geocentric Model?
Model predicted where planets would appear in the sky
means "Earth Centered"
developed the Heliocentric Model
This theory explained that the Earth was just a planet like the others orbiting around the sun
means "Sun Centered"
devised his own instruments to study the Moon and Planets
developed 3 Laws of Planetary Motion
developed the Law of Universal Gravitation
invented Calculus and modern Physics
invented the telescope
discovered sunspots and craters on the Moon
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