Sanakirja
Tekoälykääntäjä
Kuvat 1
KieliKäännökset
ranskanébuleuse en émission
suomiemissiosumu

Määritelmät

Substantiivi

  1. (astronomy) A nebula composed of ionized gases which produce visible light (as distinct from a reflection nebula, which reflects the light produced by neighboring stars).

Esimerkit

  • The Orion nebula is an emission nebula—it glows with its own light.
  • Kitt Peak National Observatory, in Arizona, 56 miles southwest of Tucson, offers a rare opportunity to spend an entire night looking through powerful telescopes at galaxies, planetary emission nebulae and star clusters.

Taivutusmuodot

Monikkoemission nebulae
Monikkoemission nebulas

Luokat


(astronomy) A nebula composed of ionized gases which produce visible light (as distinct from a reflection nebula, which reflects the light produced by neighboring stars).

The four visible hydrogen emission spectrum lines in the Balmer series. H-alpha is the red line at the right.