“According to the song, Rudolph’s nose is shiny, which means it reflects rather than emits light. Useless for navigating fog.”
More from Neil deGrasse Tyson
“Often Politicians tell us lies we want to hear rather than truths we need to know —…”
“There seems to be a mysterious force in the universe, one that overwhelms gravity on the…”
“By burning coal, oil and gas, our civilization is exhaling carbon dioxide much faster than…”
“Why is Venus scorching hot? It's because…the flow of energy is blocked by a dense…”