Water is pretty good at blocking radiation [1]. Life could exist in a layer of the ocean where ionizing radiation is reduced to a survivable level but plenty of

Water is pretty good at blocking radiation [1]. Life could exist in a layer of the ocean where ionizing radiation is reduced to a survivable level but plenty of visible light gets through. Or the planet could be teeming with water bears. [1] https://what-if.xkcd.com/29/ https://what-if.xkcd.com/29/