Nebulium — Cat s Eye Nebula (NGC 6543) Nebulium was a proposed element found in a nebula by William Huggins in 1864. The strong green emission lines of the Cat s Eye Nebula, discovered using spectroscopy, led to the postulation that an as yet unknown… … Wikipedia
nebular line — ūkų linija statusas T sritis fizika atitikmenys: angl. nebular line; nebulium line vok. Nebellinie, f rus. небулярная линия, f pranc. raie nébulaire, f … Fizikos terminų žodynas
Nebellinie — ūkų linija statusas T sritis fizika atitikmenys: angl. nebular line; nebulium line vok. Nebellinie, f rus. небулярная линия, f pranc. raie nébulaire, f … Fizikos terminų žodynas
raie nébulaire — ūkų linija statusas T sritis fizika atitikmenys: angl. nebular line; nebulium line vok. Nebellinie, f rus. небулярная линия, f pranc. raie nébulaire, f … Fizikos terminų žodynas
ūkų linija — statusas T sritis fizika atitikmenys: angl. nebular line; nebulium line vok. Nebellinie, f rus. небулярная линия, f pranc. raie nébulaire, f … Fizikos terminų žodynas
небулярная линия — ūkų linija statusas T sritis fizika atitikmenys: angl. nebular line; nebulium line vok. Nebellinie, f rus. небулярная линия, f pranc. raie nébulaire, f … Fizikos terminų žodynas
H II region — An H II region (also known as emission nebula) is a cloud of glowing gas and plasma, sometimes several hundred light years across, in which star formation is taking place. Young, hot, blue stars which have formed from the gas emit copious amounts … Wikipedia
Planetary nebula — A planetary nebula is an emission nebula consisting of a glowing shell of gas and plasma formed by certain types of stars when they die. The name originated in the 18th century because of their similarity in appearance to giant planets when… … Wikipedia
Astronomical spectroscopy — is the technique of spectroscopy used in astronomy. The object of study is the spectrum of electromagnetic radiation, including visible light, which radiates from stars and other celestial objects. Spectroscopy can be used to derive many… … Wikipedia
H-II-Gebiet — NGC 604, ein großes H II Gebiet im Dreiecksnebel Ein H II Gebiet ist eine interstellare Wolke aus leuchtendem Gas mit einem Durchmesser von manchmal mehreren hundert Lichtjahren, in der die Sternentstehung stattfindet. Junge, heiße, blaue Sterne … Deutsch Wikipedia