Messier 23 (redirect from Open Cluster M23)
means it is about 101 parsecs (330 ly) away. Map showing the location of M23 List of Messier objects On June 20 east of blue-white 7th magnitude fellow...
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Orion Arm (category Galactic astronomy)
objects: The Butterfly Cluster (M6) The Ptolemy Cluster (M7) Open Cluster M23 Open Cluster M25 The Dumbbell Nebula (M27) Open Cluster M29 Open Cluster...
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their central stars. I. An accurate and homogeneous set of coordinates", Astronomy and Astrophysics, 408 (3): 1029–1035, Bibcode:2003A&A...408.1029K, doi:10...
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obs.). Jet Propulsion Laboratory. Retrieved 7 February 2018. "MPEC 2011-M23 : 2011 MD". IAU Minor Planet Center. 23 June 2011. Retrieved 5 January 2013...
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Peninsula Films 28 August For Whom the Road Tolls, about road charging; the M25-M23 Merstham junction; Anthony Pratt of Peek; Brian Harbord of the Highways Agency;...
272 KB (39,675 words) - 07:30, 27 August 2024
Guinness Book of Astronomy. Guinness Superlatives. ISBN 978-0-900424-76-2 – via archive.org. Moore, Patrick (1979). The Guinness Book of Astronomy. Guinness...
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Tinetti, Giovanna (November 2020). "The future of astronomy with small satellites". Nature Astronomy. 4 (11): 1031–1038. arXiv:2011.03478. Bibcode:2020NatAs...
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(82 ft) radio telescope owned by the Netherlands Institute for Radio Astronomy. Analysis of the doppler data suggests that the loss of signal coincided...
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international X-ray astronomy mission". Spaceflight Now. Retrieved 26 August 2019. Zak, Anatoly. "Spektr-RG to expand horizons of X-ray astronomy". Russian Space...
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Zak, Anatoly (16 April 2016). "Spektr-RG to expand horizons of X-ray astronomy". Russian Space Web. Retrieved 16 September 2016. Gunter Dirk Krebs. "Spektr-RG...
16 KB (973 words) - 18:17, 21 September 2024