science ppt
問題一覧
1
A star in its stable hydrogen-burning phase
Sun, Sirius
main sequence
2
A star that changes brightness
Polaris (Cepheid Variable)
variable star
3
A failed star without fusion
Gliese 229B
brown Star
4
A forming star in a gas cloud
Orion Nebula stars.
protostar
5
A collapsed star with extreme gravity
Cygnus X-1
black hole
6
Dense core left after a supernova
Crab Pulsar
neutron star
7
The hot core left after a small star dies
Sirius B
white dwarf
8
Enormous star that will explode as a supernova
Betelgeuse, Rigel
supergiant
9
Large star with helium fusion
Aldebaran (red), Regulus (blue)
giant star
10
Small, cool, long-living star
Proxima Centauri
red dwarf
問題一覧
1
A star in its stable hydrogen-burning phase
Sun, Sirius
main sequence
2
A star that changes brightness
Polaris (Cepheid Variable)
variable star
3
A failed star without fusion
Gliese 229B
brown Star
4
A forming star in a gas cloud
Orion Nebula stars.
protostar
5
A collapsed star with extreme gravity
Cygnus X-1
black hole
6
Dense core left after a supernova
Crab Pulsar
neutron star
7
The hot core left after a small star dies
Sirius B
white dwarf
8
Enormous star that will explode as a supernova
Betelgeuse, Rigel
supergiant
9
Large star with helium fusion
Aldebaran (red), Regulus (blue)
giant star
10
Small, cool, long-living star
Proxima Centauri
red dwarf