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Enanas blancas
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Enanas blancas

Las enanas blancas son las núcleos calientes y extremadamente densos que quedan después de que las estrellas similares a nuestro Sol agotan su combustible. Imagine comprimir la masa de todo el Sol en el volumen de nuestra Tierra; el resultado sería un objeto tan denso que una cucharada de su material pesaría toneladas. En nuestro sistema solar, el Sol algún día se desprenderá de sus capas externas y se convertirá en una enana blanca, un remanente del tamaño de un planeta que se enfría lentamente. Estos cuerpos representan la etapa evolutiva final de la mayoría de las estrellas y nos muestran el destino futuro de nuestro propio sistema planetario.
  • Percentage of Enanas blancas within 98.5 años luz: 4.93 % (469 from 9520 stars)
  • Average masa of Enanas blancas: 20-140% solar mass
  • Average radius of Enanas blancas: 0.7-1.5% solar radius
  • Average temperatura of Enanas blancas: 5000-150000 K

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Latest news from Enanas blancas

White dwarf stars reveal a diverse range of unusual visible colors
icon17. 10. 2026
iconEstrellas | Enanas b
Image: White dwarf stars reveal a diverse range of unusual visible colors
White dwarf stars are the remnants of stars like the Sun that have exhausted their nuclear fuel. While typical stars follow a predictable color pattern based on their temperature, white dwarfs can develop extremely dense atmospheres. These high-density environments create conditions where specific chemical elements, such as carbon, calcium, or sodium, significantly alter the light emitted by the star. This effect causes their appearance to deviate from the standard colors observed in other stars...
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Evaporating planet explains gaseous disk formation around white dwarf WD J0914+1914
icon9. 8. 2026
iconEstrellas | Exoplanetas | Enanas b
Image: Evaporating planet explains gaseous disk formation around white dwarf WD J0914+1914
A gas-rich planet orbiting white dwarf WD J0914+1914 is evaporating under intense stellar radiation. New 3D simulations confirm this process forms a gaseous disk that extends beyond the planet's orbit, matching observed light signatures from the system....
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Wide-orbit stellar companions influence formation of giant planets around Red dwarf stars
icon1. 8. 2026
iconEstrellas | Exoplanetas | TESS | Enanas rojas | Formación planetaria | Enanas b
Image: Wide-orbit stellar companions influence formation of giant planets around Red dwarf stars
The giant planet TOI-5628Ab orbits a Red dwarf star every 4.34 days. Observations reveal that Red dwarfs with close-in giant planets are 6 times more likely to have a distant stellar companion, suggesting these neighbors influence planetary migration....
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Atmosphere of planet WD 1856 b contains hydrocarbons and aerosols
icon5. 7. 2026
iconEstrellas | Exoplanetas | Atmósferas planetarias | Enanas b
Image: Atmosphere of planet WD 1856 b contains hydrocarbons and aerosols
The atmosphere of planet WD 1856 b, orbiting a white dwarf star, contains hydrocarbons and aerosols. Data from the James Webb Space Telescope reveal the planet is significantly warmer than expected, pointing to a past reheating event during its orbital migration....
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Nova eruption of RS Ophiuchi in 2021 generated million-degree gas and transformed the companion red giant
icon8. 3. 2026
iconEstrellas | Enanas blancas | Gigante
Image: Nova eruption of RS Ophiuchi in 2021 generated million-degree gas and transformed the companion red giant
RS Ophiuchi’s 2021 nova eruption was tracked in near-infrared light, revealing million-degree coronal gas and possible changes in the red giant star’s type after the event....
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