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The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. [ 4 ] It constitutes the visible portions of the Cygnus Loop , [ 5 ] a supernova remnant , many portions of which have acquired their own individual names and catalogue identifiers.
The Cygnus Loop (radio source W78, or Sharpless 103) is a large supernova remnant (SNR) in the constellation Cygnus, an emission nebula measuring nearly 3° across. [1] Some arcs of the loop, known collectively as the Veil Nebula or Cirrus Nebula, emit in the visible electromagnetic range. [1] Radio, infrared, and X-ray images reveal the ...
It has low surface brightness because it is so large; at its widest, the North America Nebula is 2 degrees across. Illuminated by a hot embedded star of magnitude 6, NGC 7000 is 1500 light-years from Earth. [4] NGC 6992 (Eastern Veil Nebula – center) and NGC 6960 (Western Veil Nebula – upper right) photographed from a dark site
NGC 3132 (also known as the Eight-Burst Nebula, [2] the Southern Ring Nebula, [2] or Caldwell 74) is a bright and extensively studied planetary nebula in the constellation Vela. Its distance from Earth is estimated at 613 pc or 2,000 light-years .
Veil Nebula: 100–130 ly (31–40 pc) [61] Supernova remnant: Located in the Cygnus Loop: NGC 3576: 100 ly (31 pc) [62] Emission nebula: N41: 100 ly (31 pc) [63] Emission nebula: The following well-known nebulae are listed for the purpose of comparison. Orion Nebula: 20 ly (6.132 pc) [64] Diffuse Nebula: The closest major star formation region ...
What makes the nebula bright is not, as it may seem, the star Sadr since it is not related to the molecular complex: although it is a very distant star, located around 1,500 light-years from Earth, it is the foreground compared to the nebulous field. [3]
The cluster has fewer than 50 members, most of which are blue and white stars. It is located 5135 light-years from Earth. Map showing location of NGC 6871. NGC 6871 was born in the same giant molecular cloud with at least six other open clusters. The other open clusters are not gravitationally associated with NGC 6871.
KELT-9b is an exoplanet and ultra-hot Jupiter that orbits the late B-type/early A-type star KELT-9, [4] located about 670 light-years from Earth. [4] Detected using the Kilodegree Extremely Little Telescope, the discovery of KELT-9b was announced in 2016. [5] [1] As of June 2017, it is the hottest known exoplanet. [6]