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Is it Really Possible to See the Great Wall of China from Space with a Naked Eye?

Norberto López-Gil

DOI10.3921/joptom.2008.3
PublisherElsevier BV
Journal / SourceJournal of Optometry
Published2008
Metadata Deposited2025-10-30 (updated: 2025-10-30)
Subject—
Languageen
ISSN1888-4296
Typejournal-article
Volume / Issue / Pages1 / 1 / 3-4
Citations2
References deposited9
Access / license metadataOpen license identified License 1 ↗ License 2 ↗ License 3 ↗A reuse license does not by itself establish whether the full text is freely readable.