Why do long-period comets appear to come from every direction in the sky?

Answer

Their highly eccentric orbits are not confined to the plane of the planets.

Long-period comets follow highly eccentric, elongated ellipses that are not confined to the plane in which the planets orbit, causing them to appear randomly distributed across the sky.

Why do long-period comets appear to come from every direction in the sky?

#Videos

The Oort Cloud: Crash Course Astronomy #22 - YouTube

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