Definition of Preplanetary. Meaning of Preplanetary. Synonyms of Preplanetary

Here you will find one or more explanations in English for the word Preplanetary. Also in the bottom left of the page several parts of wikipedia pages related to the word Preplanetary and, of course, Preplanetary synonyms and on the right images related to the word Preplanetary.

Definition of Preplanetary

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Meaning of Preplanetary from wikipedia

- A protoplanetary nebula or preplanetary nebula (PPN, plural PPNe) is an astronomical object which is at the short-lived episode during a star's rapid evolution...
- about 12 billion years after its formation. A protoplanetary nebula or preplanetary nebula (PPN, plural PPNe) is an astronomical object which is at the short-lived...
- IRAS 13208-6020 is a preplanetary nebula in the constellation Centaurus. These nebulae are formed from material that is shed by a central star. It was...
- Raghvendra; Sánchez Contreras, Carmen; Morris, Mark (2005-02-01). "A Starfish Preplanetary Nebula: IRAS 19024+0044". The Astrophysical Journal. 620: 948–960. doi:10...
- Strasbourg. Retrieved 2007-01-05. "Hubble Images Searchlight Beams from a Preplanetary Nebula". ESA/Hubble Picture of the W****. Retrieved 24 April 2012. Hrivnak...
- star SAO 244567. Until the early 1970s, it was observed on Earth as a preplanetary nebula in which the gas had not yet become hot and ionized. The image...
- surrounded by a pinwheel-shaped nebula, IRAS 23166+1655, thought to be a preplanetary nebula. It is a binary system that includes an extreme carbon star. The...
- Contreras, Carmen; Morris, Mark; Claussen, Mark (2007). "A Quadrupolar Preplanetary Nebula: IRAS 19475+3119". The Astrophysical Journal. 658 (1): 410–422...
- Morris, Mark; Reipurth, Bo (April 1990), "The optical form of the bipolar preplanetary nebula IRAS 09371 + 1212", Publications of the Astronomical Society of...