The distance to the horizon (in miles) is equal to 1.23 times the square root of the height of your eyes above sea level (in feet). So, if you're sitting on the beach, 5ft above sea level, the horizon is 2.75 miles away.
(see source)
Don't copy and paste from references without proper block quoting and attribution to the source. WP:PLAG
reliable sources
guilt by association
cite quote - cite this quote template, citation needed.
http://en.wikipedia.org/wiki/Wikipedia:WTA
http://en.wikipedia.org/wiki/Wikipedia:EL
Dispute resolution......Request for mediation
Disruptive editing, Tendentious editors
If an article is unreferenced, you can tag it with the
template, so long as it is not nonsensical or a biography of a living person, in which case request admin assistance.
"{"{"cite book | last = | first = | authorlink = | title = | publisher = | series = | volume = | edition = | date = | location = | pages = | language = | url = | doi = | id = | isbn = | mr = | zbl = | jfm = "}"}"
The Sun is pretty big,[1]
but the Moon is not so big.[2]
References with a name which can be referred to multiple times[3]
Future instances of same reference: [3]
See Wikipedia:Bare URLs for templates showing how to deal with websites as references.
For references with author credit (view source)
((cite web))
: Empty citation (help)
((cite web))
: Empty citation (help)
For references without author credit (view source)
((cite web))
: Empty citation (help)
((cite web))
: Empty citation (help)
Full parameter set in horizontal format (view source)
((cite web))
: Empty citation (help)
See Citation templates for all kinds of proper templates.
An example of the cite web reference template.[4]
An example of the cite news reference template[6]