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Fireball streaks through aurora-filled skies photo of the day for June 5, 2025 - Space

08.06.2025 14:19

Fireball streaks through aurora-filled skies photo of the day for June 5, 2025 - Space

Spectators were already out capturing the stunning aurora display when a blazing meteor sped past.

What is it?

At 5:57 a.m. local time skywatchers around Montréal, Canada and parts of the northeast… [+1976 chars]

Is there a type of function where every point has exactly one tangent line passing through it? If yes, what is this type of function called?