Once in 50,000-year comet may be visible to the naked eye

See a possible naked-eye comet at its closest to the sun on Thursday (Jan. 12)

Comet E3 ZTF Brightens as the First Good Comet of 2023

Research has uncovered that pollen preserved in 250 million year old rocks contain compounds that function like sunscreen, these are produced by plants to protect them from harmful ultraviolet radiation (UV_B). The findings suggests that UV-B played a part in the end Permian mass extinction event