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The Radcliffe wave is a neighbouring coherent gaseous structure in the Milky Way, dotted with a related high concentration of interconnected stellar nurseries. It stretches about 8,800 light years.[1][2] This structure runs with the trajectory of the Milky Way arms.[3][4]
It lies at its closest (the Taurus Molecular Cloud) at around 400 light-years and at its farthest about 5,000 light-years (the Cygnus X star complex) from the Sun, always within the Local Arm (Orion Arm) itself, spanning about 40% of its length and on average 20% of its width.[5][4] Its discovery was announced in January 2020, and its proximity surprised astronomers.[1][6]
- ^ a b "Astronomers discover huge gaseous wave holding Milky Way's newest stars". The Guardian. 7 January 2020. ISSN 0261-3077. Retrieved 7 January 2020.
- ^ Rincon, Paul (7 January 2020). "Vast 'star nursery' region found in our galaxy". BBC News. Retrieved 7 January 2020.
- ^ Brandon, Specktor (7 January 2020). "Mysterious 'Wave' of Star-Forming Gas May Be the Largest Structure in the Galaxy". livescience.com. Retrieved 7 January 2020.
- ^ a b Cite error: The named reference
:0was invoked but never defined (see the help page). - ^ Brandon, Specktor (7 January 2020). "Mysterious 'Wave' of Star-Forming Gas May Be the Largest Structure in the Galaxy". livescience.com. Retrieved 7 January 2020.
- ^ Osborne, Hannah (7 January 2020). "Something appears to have collided with the Milky Way and created a huge wave in the galactic plane". Newsweek.