the sun and stars - university of arizona
TRANSCRIPT
How big is the sun?
Diameter of 864,400 miles! (Earth’s diameter is about 8000 miles)
1,300,000 Earths could fit in the sun!
The sun’s mass is about 4400000000000000000000000000000 lbs(99.8% of all the mass in the solar system!)
The sun is a mid-sized star
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What is the sun?
91% Hydrogen, and 9%Helium
mostly plasma
constant NUCLEARFUSION reactions convertHelium to Hydrogen, makingheat and light!
temperatures reach27, 000, 000◦F in core, and10, 000◦F on the surface
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