From StarTalk.

Did you know there are three different twilights? Neil deGrasse Tyson and Chuck Nice break down this mysterious time between night and day. We go over civil, nautical, and astronomical twilight and why twilight lasts longer in some parts of the world.

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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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Timestamps:
00:00 – Introduction
00:45 – What is Twilight?
02:19 – Civil, Nautical, & Astronomical Twilight
04:28 – How Long Does Twilight Last?
06:06 – The Time Between Day & Night