About: Blue dwarf (red-dwarf stage)   Sponge Permalink

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Stars increase in luminosity as they age, and a more luminous star needs to radiate energy more quickly to maintain equilibrium. Stars larger than red dwarfs do this by increasing their size and becoming red giants with larger surface areas. Rather than expanding, however, red dwarfs with less than 0.25 solar masses are predicted to increase their radiative rate by increasing their surface temperatures and becoming "bluer". This is because the surface layers of red dwarfs do not become significantly more opaque with increasing temperature.

AttributesValues
rdfs:label
  • Blue dwarf (red-dwarf stage)
rdfs:comment
  • Stars increase in luminosity as they age, and a more luminous star needs to radiate energy more quickly to maintain equilibrium. Stars larger than red dwarfs do this by increasing their size and becoming red giants with larger surface areas. Rather than expanding, however, red dwarfs with less than 0.25 solar masses are predicted to increase their radiative rate by increasing their surface temperatures and becoming "bluer". This is because the surface layers of red dwarfs do not become significantly more opaque with increasing temperature.
sameAs
dcterms:subject
dbkwik:speedydelet...iPageUsesTemplate
Page
  • Blue dwarf
substed
  • yes
Day
  • 17(xsd:integer)
Month
  • July
Timestamp
  • 20120717091634(xsd:double)
Year
  • 2012(xsd:integer)
abstract
  • Stars increase in luminosity as they age, and a more luminous star needs to radiate energy more quickly to maintain equilibrium. Stars larger than red dwarfs do this by increasing their size and becoming red giants with larger surface areas. Rather than expanding, however, red dwarfs with less than 0.25 solar masses are predicted to increase their radiative rate by increasing their surface temperatures and becoming "bluer". This is because the surface layers of red dwarfs do not become significantly more opaque with increasing temperature. Blue dwarfs eventually evolve into white dwarfs once their hydrogen fuel is completely exhausted.
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