- Proplyds
- Protoplanetary Disks Astronomie
Acronyms. 2013.
Proplyds
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Proplyds — Protoplanetary Disks {Astronomie} … Acronyms von A bis Z
List of stars with proplyds — This is a list of protoplanetary discs.Lists of ProplydsList of proplyds with gaps and known planets in the gaps: (list is very incomplete) List of proplyds with gaps without known planets in the gaps when planets are confirmed, please move to… … Wikipedia
Orion Nebula — The entire Orion Nebula in visible light. Credit: NASA/ESA Observation data: J2000 epoch … Wikipedia
Stellar classification — In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are… … Wikipedia
Rogue planet — This article is about a type of astronomical object. For other uses, see Rogue planet (disambiguation). Artist s conception of a Jupiter size rogue planet. A rogue planet (also known as an interstellar planet, or orphan planet) is a planetary… … Wikipedia
List of unconfirmed exoplanets — For a list of unconfirmed brown dwarfs, see list of brown dwarfs. In addition to known extrasolar planets, there are many planet candidates whose existence is more or less uncertain, or they are now known not to exist.Probable extrasolar… … Wikipedia
Pulsar-Planet — Eine künstlerische Darstellung des Planetensystems von PSR B1257+12. Pulsar Planeten sind Exoplaneten, die Pulsare oder Neutronensterne umkreisen. Der erste dieser Planeten wurde um einen Millisekundenpulsar entdeckt und war zugleich der erste… … Deutsch Wikipedia
Astronomical object — Celestial object and Celestial body redirect here. For other uses, see Celestial (disambiguation). This article is about naturally occurring objects. For artificial objects, see Satellite. Astronomical objects or celestial objects are naturally… … Wikipedia
Protoplanetary disk — A protoplanetary disk (or proplyd) is a rotating circumstellar disk of dense gas surrounding a young newly formed star, a T Tauri star or Herbig star. The protoplanetary disk may be considered an accretion disk because gaseous material may be… … Wikipedia
List of stars with confirmed extrasolar planets — The following are lists of stars with confirmed extrasolar planets. Extrasolar planets were first confirmed to be orbiting pulsars PSR B1257+12 and PSR B1620 26. These discoveries were announced in 1992 and 1993 respectively. The first extrasolar … Wikipedia
