How far out into space does the outer boundary of the Oort Cloud extend?
Answer
100,000 astronomical units
The Oort Cloud is incredibly vast, beginning at approximately 2,000 to 5,000 astronomical units and extending outward as far as 100,000 astronomical units. This outer boundary reaches nearly a quarter of the way to the next nearest star system, marking the extreme limits of the Sun's gravitational dominance.
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