Assertion: period comet | /r/HasAspect | period
Facets:
Source sentences:
text: Long-period comets have highly eccentric orbits and periods ranging from 200 years to thousands of years.
text: Long-period comets have highly eccentric orbits and periods ranging from 200 years to thousands of years.
text: Long-period comets have periods greater than 200 years and come from the Oort cloud.
text: Long-period comets have highly eccentric orbits and periods ranging from 200 years to thousands of years.