Kuiper cliff
Proper noun
Meaning
Kuiper cliff
(astronomy) The 1:2 resonance, beyond which few objects are known; it may be the outer edge of the classical Kuiper belt or just the beginning of a broad gap.
Proper noun
Kuiper cliff
(astronomy) The 1:2 resonance, beyond which few objects are known; it may be the outer edge of the classical Kuiper belt or just the beginning of a broad gap.