et

planetaarudu

1 substantive

EKI Combined Dictionary 2026

Last modified 19.06.2025

Meanings

mõõduka massiga tähtede plahvatamise tagajärjel kerakujuliselt paisuv jäänuk-udukogu, mille keskel paikneb ülikuum kääbustäht

Translations

Usage examples
  • Planetaarudu on olemuselt vana tähe viimane hingetõmme.

Terminological databases

Kosmoseteaduse ja -tehnoloogia terminibaas

ID 575950 Last modified 10.12.2024
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Domain astronomyastrophysics
  • mõõduka massiga tähtede plahvatuse järel nendest eemalduv ja kerakujuliselt paisuv jäänukudu
  • nebula consisting of an expanding, glowing shell of ionized gas ejected from old red giant stars late in their lives
    Good to know
    • The word "nebula" is Latin for mist or cloud, and the term "planetary nebula" is a misnomer that originated in the 1780s with astronomer William Herschel because when viewed through his telescope, these objects resemble the rounded shapes of planets. Herschel's name for these objects was popularly adopted and has not been changed. Reference: 'Planetary nebula'. Wikipedia, https://en.wikipedia.org/wiki/Planetary_nebula [18.5.2017]
planetaarudu
Usage examples
  • Planetaarudud on punaste hiidtähtede elu lõpul väliskihtidest välja heidetud gaasümbrised.
planetary nebula
Usage examples
  • A planetary nebula is a region of cosmic gas and dust formed from the cast-off outer layers of a dying star. Despite their name, planetary nebulae have nothing to do with planets.

Word forms

Inflection Type 17

planetaarudu planetaarudud
planetaarudu planetaarudude
planetaarudu planetaarudusid

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