Science Ch19b

Term

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The corona

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Terms in this set (13)

forms the sun's outer atmosphere where the gases are so thin that this layer is visible only during a total solar eclipse

The photosphere

is where gases get thick enough to see and is what we know as the visible surface of the sun

the suns energy is produced

fusion of hydrogen in the sun results in two hydrogen nuclei combining to form this

The circulation of the gases within the sun and the sun's own rotation produce magnetic fields. these fields cause

sunspots, slow down activity in hte convective zone and cause solar flares

is the outermost layer of the earth's interior

is the middle layer of the earth's interior

Today, Earth's atmoshere is composed of this

Scientists believe that the surface of the Earth was this when it was first formed.

Solar ultraviolet radiation

Earth's first atmosphere changed to the atmosphere that we know today with the help of this