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These range from the well-known \u2018starry sky\u2019 appearance of neurocysticercosis or tuberculomas, to various lesser known signs including the \u2018starfield\u2019 pattern of fat embolism; \u2018sunburst\u2019 sign of meningiomas; \u2018eclipse\u2019 sign of neurosarcoidosis; \u2018comet tail\u2019 sign of cerebral metastases; \u2018Milky Way\u2019 sign of progressive multifocal leukoencephalopathy; \u2018satellite\u2019 and \u2018black hole\u2019 sign of intracranial haemorrhage; \u2018crescent\u2019 sign of arterial dissection and \u2018crescent moon\u2019 sign of Hirayama disease.<\/jats:p>","DOI":"10.1136\/pn-2023-003787","type":"journal-article","created":{"date-parts":[[2023,7,7]],"date-time":"2023-07-07T13:20:15Z","timestamp":1688736015000},"page":"542-546","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Brain imaging inspired by outer space"],"prefix":"10.1136","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0532-3370","authenticated-orcid":false,"given":"Divyani","family":"Garg","sequence":"first","affiliation":[{"name":"Neurology, All India Institute of Medical Sciences, New Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2303-1961","authenticated-orcid":false,"given":"Ayush","family":"Agarwal","sequence":"additional","affiliation":[{"name":"Neurology, All India Institute of Medical Sciences, New Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Achal K","family":"Srivastava","sequence":"additional","affiliation":[{"name":"Neurology, All India Institute of Medical Sciences, New Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ajay","family":"Garg","sequence":"additional","affiliation":[{"name":"Neuroradiology, All India Institute of Medical Sciences, New Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2023,7,7]]},"reference":[{"key":"2025090410524527000_23.6.542.1","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1002\/mdc3.12734","article-title":"Animals in the brain","volume":"6","author":"Mulroy","year":"2019","journal-title":"Mov Disord Clin Pract"},{"key":"2025090410524527000_23.6.542.2","doi-asserted-by":"crossref","DOI":"10.1136\/pgmj.2004.027136","article-title":"Starry sky appearance","volume":"81","author":"Sodhi","year":"2005","journal-title":"Postgrad Med J"},{"key":"2025090410524527000_23.6.542.3","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1093\/qjmed\/hcz185","article-title":"Neurocysticercosis and starry sky appearance on brain imaging","volume":"113","author":"Ahmad","year":"2020","journal-title":"QJM"},{"key":"2025090410524527000_23.6.542.4","doi-asserted-by":"crossref","first-page":"4","DOI":"10.1016\/j.ijid.2021.05.004","article-title":"'Starry sky' appearance on brain CT in neurocysticercal encephalitis","volume":"108","author":"Niang","year":"2021","journal-title":"Int J Infect Dis"},{"key":"2025090410524527000_23.6.542.5","doi-asserted-by":"crossref","first-page":"605","DOI":"10.1093\/qjmed\/hcab120","article-title":"Starry sky appearance in tuberculoma","volume":"114","author":"Chakraborty","year":"2021","journal-title":"QJM"},{"key":"2025090410524527000_23.6.542.6","doi-asserted-by":"crossref","first-page":"577303","DOI":"10.1016\/j.jneuroim.2020.577303","article-title":"Chronic encephalopathy and locked-in state due to scrub typhus related CNS vasculitis","volume":"346","author":"Sharma","year":"2020","journal-title":"J Neuroimmunol"},{"key":"2025090410524527000_23.6.542.7","doi-asserted-by":"crossref","unstructured":"Chaurasia RN , Tiwari A . 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