Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:brightnessIncrease |
up to 100,000 times
|
| gptkbp:category |
variable star
|
| gptkbp:cause |
thermonuclear explosion on the surface of a white dwarf
|
| gptkbp:defines |
a sudden, dramatic increase in brightness of a star
|
| gptkbp:discoveredBy |
ancient astronomers
|
| gptkbp:duration |
few weeks to months
|
| gptkbp:etymology |
from Latin 'nova', meaning 'new'
|
| gptkbp:example |
gptkb:Nova_Aquilae_1918
gptkb:Nova_Cygni_1975 gptkb:Nova_Persei_1901 |
| gptkbp:frequency |
about 30-60 per year in the Milky Way
|
| https://www.w3.org/2000/01/rdf-schema#label |
Nova
|
| gptkbp:notToBeConfusedWith |
supernova
|
| gptkbp:observedBy |
optical telescopes
|
| gptkbp:occurredIn |
binary star systems
|
| gptkbp:powerSource |
accretion of hydrogen onto white dwarf
|
| gptkbp:recordedAt |
Chinese astronomers, 2nd century AD
|
| gptkbp:relatedTo |
white dwarf
supernova |
| gptkbp:remnants |
expanding shell of gas
|
| gptkbp:bfsParent |
gptkb:Samuel_R._Delany
gptkb:software |
| gptkbp:bfsLayer |
4
|