The Sun is among many billions of stars within the Milky Way. It gives out a very large amount of energy as electromagnetic radiation.
(a)[2]
State the three regions of the electromagnetic spectrum where the Sun gives out the most energy.
(b)[2]
Calculate the distance between the Sun and the Earth.
(c(i))[2]
Describe and explain what happens as an interstellar cloud of gas forms a protostar.
(c(ii))[3]
Describe and explain the changes that occur as a protostar becomes a stable star.
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