Assertion: supernova | /r/HasProperty | supernovae
Facets:
value: often
type: TEMPORAL
value: because of tycho brahe's extensive work
type: CAUSE
value: generally
type: DEGREE
Source sentences:
text: A supernova ( plural: supernovae or supernovas, abbreviations: SN and SNe) is a powerful and luminous stellar explosion.
text: No supernova has been seen in our galaxy since AD 1604 (this supernova was seen by Johannes Kepler, and hence is generally called Kepler's Supernova).
text: Supernova: Supernovae or supernovas.
text: supernova (plural: supernovae)
text: The supernova of 1572 is often called "Tycho's supernova", because of Tycho Brahe's extensive work De nova et nullius aevi memoria prius visa stella ("Concerning the Star, new and never before seen in the life or memory of anyone", published in 1573 with reprints overseen by Johannes Kepler in 1602, and 1610), a work containing both Tycho Brahe's own observations and the analysis of sightings from many other observers.