the.com/nighttime
the daily proof that Earth is just spinning you away from a star
means The period of darkness between sunset and sunrise, when the part of Earth you're standing on faces away from the sun.
from A transparent compound of plain old English parts: "night" (Old English niht, a word with deep Germanic roots and cousins all across the family — German Nacht, Latin nox, Greek nyx) simply welded to "time." No mystery here; English has been stacking "night" against other words for ages, and "nighttime" is just the hours of night made tidy.
- not dark
- Space glows faintly even on moonless nights
- blue eyes
- Most night vision sees no color at all
- shrinking shadow
- Earth's night cone stretches 1.4 million km into space
- clock lag
- Body temperature drops to its lowest near dawn
- loud silence
- Crickets chirp faster as the air warms
circadian rhythm — biological 24-hour cycle that regulates sleep-wake patterns in humans and most organisms
night shift work — millions work 10pm-6am globally, studied for health effects by who
nocturnal animals — owls, bats, raccoons actively hunt and live during darkness hours