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• |
Material
beyond
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Neptune
never ejected
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into
the Oort cloud
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• |
Pluto
and Charon the
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biggest
members – now
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also
Quarar, Sedna
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• |
Very
hard to detect
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|
because
very faint
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– |
far
from the sun so little
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illumination
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– |
comets
not active at that
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distance
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– |
Hubble
and new large
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telescopes
have recently
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detected
~100
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