galactic centre
See also: Galactic centre and Galactic Centre
English
Noun
galactic centre (plural galactic centres)
- Commonwealth spelling of galactic center.
- 2002 October 24, “Integral observations”, in The Economist[1], London: The Economist Group, →ISSN, →OCLC, archived from the original on 27 September 2020:
- They [gamma rays] are produced by supernovae, neutron stars, galactic centres, black holes and the like.
- 2018 January 11, Sarah Kaplan, “Scientists are zooming in on fast radio bursts — the most mysterious signals in space”, in National Post[2], Toronto, Ont.: Postmedia Network Canada Corp., →ISSN, →OCLC, archived from the original on 5 November 2025:
- The only known source of such intense magnetism in our own galaxy is the supermassive black hole Sagittarius A*, which sits at the Milky Way’s center. “Maybe this FRB source is in a similar environment, a galactic centre environment,” [Jason] Hessels said.
- 2019 August 6, Ian Randall, “Explosive reveal: Quasars change colour from red to blue when their black holes belch out so much energy that they shed layers of dust and gas”, in Daily Mail[3], London: DMG Media, →ISSN, →OCLC, archived from the original on 5 November 2025:
- 'Quasar' — short for quasi-stellar radio source — are bright galactic centres.
- 2020 February 14, Sarah Knapton, “Aliens might have placed beacon in centre of Milky Way, say scientists”, in Chris Evans, editor, The Daily Telegraph[4], London: Telegraph Media Group, →ISSN, →OCLC, archived from the original on 15 February 2020:
- Scientists believe galactic centres could act as Schelling points for civilisations that cannot communicate among themselves.
Proper noun
- Commonwealth spelling of Galactic Center.
- 2018 April 10, Phil Charles, “Astronomers may have discovered a dozen black holes in the centre of our galaxy”, in The Independent[5], London: Independent News & Media, →ISSN, →OCLC, archived from the original on 16 August 2022:
- This work had to be done by looking at infrared light. That’s because, at visual wavelengths, huge clouds of dust and gas obstruct our vision – we can only see about 10 per cent of the distance to the galactic centre in this way (Sagittarius A* is approximately 26,000 light years away).
- 2020 February 14, Sarah Knapton, quoting Andrew Siemion, “Aliens might have placed beacon in centre of Milky Way, say scientists”, in Chris Evans, editor, The Daily Telegraph[6], London: Telegraph Media Group, →ISSN, →OCLC, archived from the original on 15 February 2020:
- If an advanced civilisation anywhere in the Milky Way wanted to put a beacon somewhere … the galactic centre would be a good place to do it.
- 2023 June 2, Ian Sample, “Scientists discover mysterious cosmic threads in Milky Way”, in Katharine Viner, editor, The Guardian[7], London: Guardian News & Media, →ISSN, →OCLC, archived from the original on 2 June 2023:
- They spread out from the galactic centre 25,000 light years from Earth like fragmented spokes on an enormous wheel.