Lêer:A young star takes centre stage.jpg

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Opsomming

Beskrywing
English: With its helical appearance resembling a snail’s shell, this reflection nebula seems to spiral out from a luminous central star in this new NASA/ESA Hubble Space Telescope image. The star in the centre, known as V1331 Cyg and located in the dark cloud LDN 981 — or, more commonly, Lynds 981 — had previously been defined as a T Tauri star. A T Tauri is a young star — or Young Stellar Object — that is starting to contract to become a main sequence star similar to the Sun. What makes V1331 Cyg special is the fact that we look almost exactly at one of its poles. Usually, the view of a young star is obscured by the dust from the circumstellar disc and the envelope that surround it. However, with V1331 Cyg we are actually looking in the exact direction of a jet driven by the star that is clearing the dust and giving us this magnificent view. This view provides an almost undisturbed view of the star and its immediate surroundings allowing astronomers to study it in greater detail and look for features that might suggest the formation of a very low-mass object in the outer circumstellar disc.
Datum
Bron http://spacetelescope.org/images/potw1509a/
Outeur ESA/Hubble, NASA, Karl Stapelfeldt (GSFC), B. Stecklum and A. Choudhary (Thüringer Landessternwarte Tautenburg, Germany)

Lisensiëring

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Captions

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uitbeelding

V1331 Cygni Engels

T Tauri-ster

reflection nebula Engels

media type Engels

image/jpeg

checksum Engels

1946a73186c13a59b5ac705cb82328298b26b0fa

bepaling metode: SHA-1 Engels

data size Engels

192 790 greep

height Engels

718 pieksel

width Engels

716 pieksel

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Datum/TydDuimnaelDimensiesGebruikerOpmerking
huidig21:14, 10 Desember 2019Duimnaelskets vir weergawe vanaf 21:14, 10 Desember 2019716 × 718 (188 KG)BevinKaconactual size from source
01:00, 3 Maart 2015Duimnaelskets vir weergawe vanaf 01:00, 3 Maart 20151 280 × 1 284 (256 KG)JmencisomUser created page with UploadWizard

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