Assertion: comet's discoverer | /r/CapableOf | become common
Facets:
Source sentences:
text: In the early 20th century, the convention of naming comets after their discoverers became common, and this remains so today.
text: In the early 20th century, the convention of naming comets after their discoverers became common, and this remains so today.
text: In the early 20th century, the convention of naming comets after their discoverers became common, and this remains so today.
text: In the early 20th century, the convention of naming comets after their discoverers became common, and this remains so today.