What happens to nearly all of the uv radiation that enters the atmosphere? (site 1)?

Some of the sun's energy, though, is reflected from our atmosphere and sent back into space. -Can contain some heat and reflect out some of the heat. What happens to nearly all of the UV radiation that enters the atmosphere? The Ozone layer absorbs most of the UV radiation that enters the atmosphere.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.