This was
your sky.
Red Sprite Lightning over the Andes
These red filaments over the Andes are red sprites, a rare form of lightning confirmed only about 30 years ago. After a powerful lightning strike, these sprites may start as 100-meter balls of ionized air that shoot down from 80 kilometers high at ten percent the speed of light. They are quickly followed by a group of upward streaking ionized balls. This image was taken from the Las Campanas Observatory.
We cannot put this date's photograph on paper at poster size. We can print the nearest public archive plate to your date instead.
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In tropical astrology, 30 MAR 2021 falls under Aries (♈). The sign's window runs from 03-21 through 04-19. Aries is the constellation traditionally tied to spring's arrival in the northern hemisphere. The Sun was crossing this region of the sky on 30 MAR 2021.