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  1. Dictionary
    observation
    /ˌɒbzəˈveɪʃn/

    noun

    More definitions, origin and scrabble points

  2. en.wikipedia.org › wiki › MoonMoon - Wikipedia

    14 hours ago · The Moon has been also a site of Earth observation, particularly culturally as in the 1968 photograph called Earthrise, taken by Bill Anders of Apollo 8. The Earth appears in the Moon's sky with an apparent size of 1° 48 ′ to 2°, [284] three to four times the size of the Moon or Sun in Earth's sky, or about the apparent width of two little fingers at an arm's length away.

  3. en.wikipedia.org › wiki › EthicsEthics - Wikipedia

    14 hours ago · Ethics is the philosophical study of moral phenomena. Also called moral philosophy, it investigates normative questions about what people ought to do or which behavior is morally right. The main branches of ethics include normative ethics, applied ethics, and metaethics . Normative ethics aims to find general principles that govern how people ...