Minute and second of arc (English Wikipedia)

Schmitt, Matthias (1 July 2018). "The Kessel Run and the Parsec". Amateur Astronomers Association. Archived from the original on 17 March 2025. Retrieved 11 July 2025.

bbc.com (Global: 20^th place; English: 30^th place)

Amos, Jonathan (14 September 2016). "Celestial mapper plots a billion stars". BBC News. Retrieved 31 March 2018.

bobwheeler.com (Global: low place; English: low place)

Wheeler, Robert E. "Statistical notes on rifle group patterns" (PDF). Archived from the original (PDF) on 26 September 2006. Retrieved 21 May 2009.

cornell.edu (Global: 332^nd place; English: 246^th place)

astro.cornell.edu

"What is the diffraction limit of a telescope?". Cornell University. Archived from the original on 17 September 2016.

dexadine.com (Global: low place; English: low place)

Dexadine Ballistics Software – ballistic data for shooting and reloading. See Talk

doi.org (Global: 2^nd place; English: 2^nd place)

Correll, Malcolm (November 1977). "Early Time Measurements". The Physics Teacher. 15 (8): 476–479. Bibcode:1977PhTea..15..476C. doi:10.1119/1.2339739.
Stephenson, F. Richard; Fatoohi, Louay J. (May 1994). "The Babylonian Unit of Time". Journal for the History of Astronomy. 25 (2): 99–110. Bibcode:1994JHA....25...99S. doi:10.1177/002182869402500203.

google.co.uk (Global: 504^th place; English: 1,305^th place)

Fouad Sabry (2022). Precision Guided Firearm. One Billion Knowledgeable.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Correll, Malcolm (November 1977). "Early Time Measurements". The Physics Teacher. 15 (8): 476–479. Bibcode:1977PhTea..15..476C. doi:10.1119/1.2339739.
Stephenson, F. Richard; Fatoohi, Louay J. (May 1994). "The Babylonian Unit of Time". Journal for the History of Astronomy. 25 (2): 99–110. Bibcode:1994JHA....25...99S. doi:10.1177/002182869402500203.

inchcalculator.com (Global: low place; English: low place)

"Minutes of Arc to Degree Conversion". Inch Calculator. Retrieved 25 July 2021.

kumquat-data.com (Global: low place; English: low place)

"Astro Navigation Syllabus". Retrieved 4 November 2010. [Sextant errors] are sometimes [given] in seconds of arc, which will need to be converted to decimal minutes when you include them in your calculation.

learntonavigate.com (Global: low place; English: low place)

"CELESTIAL NAVIGATION COURSE". International Navigation School. Retrieved 4 November 2010. It is a straightforward method [to obtain a position at sea] and requires no mathematical calculation beyond addition and subtraction of degrees and minutes and decimals of minutes

longrangehunting.com (Global: low place; English: low place)

Bramwell, Denton (January 2009). "Group Therapy The Problem: How accurate is your rifle?". Varmint Hunter. 69. Archived from the original on 7 October 2011. Retrieved 21 May 2009.

nasa.gov (Global: 75^th place; English: 83^rd place)

heasarc.gsfc.nasa.gov

"Cosmic Distance Scales - The Milky Way". Imagine the Universe!.

nssdc.gsfc.nasa.gov

"Pluto Fact Sheet". nssdc.gsfc.nasa.gov. Retrieved 29 August 2022.

norinco.co.in (Global: low place; English: low place)

"Shipmate GN30". Norinco. Archived from the original on 24 January 2008. Retrieved 4 November 2010.

oceannavigator.com (Global: low place; English: low place)

Kaplan, George H. (1 January 2003). "Nautical mile approximates an arcminute". Ocean Navigator. Navigator Publishing. Retrieved 22 March 2017.

scientificamerican.com (Global: 896^th place; English: 674^th place)

Lombardi, Michael A. (5 March 2008). "Why is a minute divided into 60 seconds, an hour into 60 minutes, yet there are only 24 hours in a day?". Scientific American. SCIENTIFIC AMERICAN, a Division of Springer Nature America, Inc. Retrieved 25 July 2021.

shootingillustrated.com (Global: low place; English: 7,854^th place)

Mann, Richard (18 February 2011). "Mil, MOA or inches?". Shooting Illustrated. Archived from the original on 10 November 2013. Retrieved 13 April 2015.

trinityhouse.co.uk (Global: low place; English: low place)

The Corporation of Trinity House (10 January 2020). "1/2020 Needles Lighthouse". Notices to Mariners. Retrieved 24 May 2020.

web.archive.org (Global: 1^st place; English: 1^st place)

"Shipmate GN30". Norinco. Archived from the original on 24 January 2008. Retrieved 4 November 2010.
"What is the diffraction limit of a telescope?". Cornell University. Archived from the original on 17 September 2016.
Schmitt, Matthias (1 July 2018). "The Kessel Run and the Parsec". Amateur Astronomers Association. Archived from the original on 17 March 2025. Retrieved 11 July 2025.
Mann, Richard (18 February 2011). "Mil, MOA or inches?". Shooting Illustrated. Archived from the original on 10 November 2013. Retrieved 13 April 2015.
Wheeler, Robert E. "Statistical notes on rifle group patterns" (PDF). Archived from the original (PDF) on 26 September 2006. Retrieved 21 May 2009.
Bramwell, Denton (January 2009). "Group Therapy The Problem: How accurate is your rifle?". Varmint Hunter. 69. Archived from the original on 7 October 2011. Retrieved 21 May 2009.

wolfram.com (Global: 513^th place; English: 537^th place)

mathworld.wolfram.com

Weisstein, Eric W. "Arc Second". mathworld.wolfram.com. Retrieved 31 August 2020.

Minute and second of arc (English Wikipedia)

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cornell.edu (Global: 332nd place; English: 246th place)

astro.cornell.edu

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doi.org (Global: 2nd place; English: 2nd place)

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inchcalculator.com (Global: low place; English: low place)

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learntonavigate.com (Global: low place; English: low place)

longrangehunting.com (Global: low place; English: low place)

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norinco.co.in (Global: low place; English: low place)

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scientificamerican.com (Global: 896th place; English: 674th place)

shootingillustrated.com (Global: low place; English: 7,854th place)

trinityhouse.co.uk (Global: low place; English: low place)

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wolfram.com (Global: 513th place; English: 537th place)

mathworld.wolfram.com

bbc.com (Global: 20^th place; English: 30^th place)

cornell.edu (Global: 332^nd place; English: 246^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

google.co.uk (Global: 504^th place; English: 1,305^th place)

harvard.edu (Global: 18^th place; English: 17^th place)

nasa.gov (Global: 75^th place; English: 83^rd place)

scientificamerican.com (Global: 896^th place; English: 674^th place)

shootingillustrated.com (Global: low place; English: 7,854^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wolfram.com (Global: 513^th place; English: 537^th place)