comet primary subject, 408 assertions
Subgroups 6
bright comet 2
great comet 1
known comet 1
new comet 1
period comet 1
periodic comet 1
Aspects 8
orbit 32
tail 24
surface 23
nucleus 11
coma 10
brightness 3
perihelion 3
trajectory 2
AtLocation 8
outburst 0.58
orbit 0.47
perihelion 0.39
opposition 0.37
outer oort cloud 0.25
southwest sky 0.25
the constellation bootes 0.25
conjunction 0.25
CapableOf 196
approach the sun 0.68
near the sun 0.66
orbit the sun 0.65
hit the earth 0.61
go around the sun 0.59
get closer 0.59
bring water 0.58
reach perihelion 0.57
appear in the sky 0.57
hit the planet 0.56
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Causes 3
mass extinctions 0.27
stir 0.25
the great flood 0.25
DefinedAs 1
red cross 0.25
HasA 29
tail 0.62
water 0.57
similar orbits 0.52
two tails 0.51
nucleus 0.50
elliptical orbits 0.48
orbit 0.47
eccentric orbits 0.46
coma 0.41
complex organic molecul… 0.40
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HasProperty 52
unpredictable 0.64
small 0.60
active 0.57
fainter 0.54
bright 0.53
rich 0.51
brightest 0.50
rocky 0.49
large 0.48
most active 0.43
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IsA 9
same object 0.58
small solar system body 0.53
icy small solar system … 0.43
object 0.42
southern object 0.40
naked eye object 0.33
fiery body 0.32
the most primitive obje… 0.25
among the oldest objects 0.25
MadeOf 6
ice 0.69
dust 0.66
rock 0.62
material 0.32
organic 0.30
volatile ices 0.25
ReceivesAction 103
discovered 0.58
composed of carbon diox… 0.57
composed of ammonia 0.55
composed of water ice 0.54
composed of methane 0.54
seen by soho 0.52
destroyed 0.50
observed by astronomer 0.49
photographed 0.49
discovered by astronomer 0.48
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SimilarTo 1
asteroid 0.25