Assertion: comet | /r/CapableOf | have had negative absolute magnitude
Facets:
value: for a comet
type: OTHER
Source sentences:
text: As a result of the cometary outburst in late July, Caesar's Comet is one of only five comets known to have had a negative absolute magnitude (for a comet, this refers to the apparent magnitude if the comet had been observed at a distance of 1 AU from both the Earth and the Sun) and may have been the brightest daylight comet in recorded history.[verification needed]