Assertion: comet | /r/HasProperty | discovered
Facets:
value: previously
type: TEMPORAL
Source sentences:
text: A comet may be discovered photographically using a wide-field telescope or visually with binoculars.
text: A comet may be discovered photographically using a wide-field telescope or visually with binoculars.
text: In Australia, according to Siding Spring Observatory at Coonabarabran, where the comet was discovered, it was to have reached its theoretical peak in brightness on Sunday 14 January just after sunset, when it would have been visible for 23 minutes.
text: The comet was discovered in the constellation of Equuleus by Father Nicolas Sarabat, a professor of mathematics, at Nîmes in the early morning of August 1, 1729.
text: When the comet was discovered, it was about as far away from Earth as Jupiter is.
text: Unless they have been previously discovered and visit regularly (like Halley's Comet), we don't know they exist until they get very close to us.
text: And even when they have been discovered, it isn't until they get even closer that we find out just how spectacular it is.
text: A comet may be discovered photographically using a wide-field telescope or visually with binoculars.