How does a sun 93 million miles away shine brighter where the astronauts happen to be standing, no answer.
On Earth, we experience the Sun's radiation through an atmosphere many miles thick, with an ozone layer that specifically blocks UV spectra. In Earth's orbit, or on Earth's moon, direct Sunlight is strong enough to heat an object to the same temperature your oven is set to cook a turkey. And a lot of that is unfiltered high frequency EM radiation, such as UV and microwaves and even more energetic particles, most of which we're protected from down here by the ozone layer, the magnetosphere, and the light-scattering properties of hundreds of miles of atmosphere.
Is it possible that you're too stupid to realize that you're being stupid? "Dunning-Kruger Effect," go look that term up. That's you.
Are you saying the moon also has an atmosphere that makes only the spots where astronauts stand brighter than surrounding areas? You aren't being very clear.
That's OK, you seem too stupid to grasp the fact that the lack of much of any atmosphere at all is what makes Sunlight so powerful to someone standing on the Moon.
But not to objects off center from where they are filming astronauts on the moon, got it.
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