Could a person safely walk around with exposed skin under the sunlight of a red dwarf when it's not flaring?

I've been thinking about a fantasy setting built around the idea of a habitable, tidally-locked world orbiting a red dwarf. Since it is fantasy I do have some leeway in terms of the real world limitations such a world might face when it comes to complex earthlike life and civilization, but I would rather find ways to incorporate such limitations into my worldbuilding whenever possible.

My first question has to do with the effects the light of the star would have on human skin. I could find plenty of information about the dangers of flares, but not a whole lot about the regular sunlight of a red dwarf. So, assuming an atmosphere similar to Earth's and that the star is not flaring, would it be possible to walk around in the open at the twilight zone with exposed skin?

NOTES: This idea is in a very early stage of concept and I'm quite new to worldbuilding, so I have no specifics to give about the planet in question. All I know is that my planet is tidally locked, in the habitable zone and livable at the terminator. Also, concerning atmosphere, I require the planet to be able to sustain human life without the need for advanced technology, so, for the purposes of this question, I'll just assume the atmosphere is Earthlike and somehow managed to hang on to the planet despite the star flares.

posted almost 6 years ago

Vorterox‭

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