Home›Ground-Based Optical Observatories›LocationBrowse ByLocationThis dimension names where an observatory is actually sited, whether on a mountaintop, in orbit or elsewhere. Wikipedia defines an observatory as "a location used for observing terrestrial, marine, or celestial events," and its location is often chosen specifically to improve what it can observe. Browsing this way collects every observatory built in the same place or type of place.FactsLocationSourcesComments (0)Reader Challenges (0)FactsComparisonField Origin EraWell-attested1608 1LocationFilter Results37 entriesArea (sq km)All22,072 (1)29,743 (1)30,689 (1)41,865 (1)43,094 (1)69,700 (1)70,273 (1)78,871 (1)83,879 (1)93,030 (1)132,049 (1)242,500 (1)302,069 (1)357,022 (1)377,975 (1)446,550 (1)448,978 (1)450,295 (1)505,983 (1)603,628 (1)632,702.3 (1)756,102 (1)783,562 (1)996,603 (1)1,220,813 (1)1,648,195 (1)1,904,569 (1)1,972,550 (1)2,780,085 (1)3,287,263 (1)7,688,287 (2)8,510,346 (1)9,572,900 (1)9,866,632 (1)9,984,670 (1)17,075,400 (1)Country CountAll1 (1)Highest Elevation (m)All2228 (1)Independence or Founding YearAll1492 (1)1523 (1)1776 (1)1801 (1)1816 (1)1818 (1)1821 (1)1822 (1)1830 (1)1832 (1)1861 (1)1867 (1)1901 (1)1910 (1)1922 (2)1923 (1)1945 (1)1947 (1)1948 (1)1949 (1)1956 (1)1991 (5)1993 (1)PopulationAll3,100,100 (1)3,657,000 (1)5,458,600 (1)6,001,008 (1)9,219,113 (1)9,267,000 (1)9,489,000 (1)10,147,200 (1)10,610,485 (1)10,915,839 (1)11,867,634 (1)18,130,208 (1)19,629,588 (1)27,801,023 (2)32,283,000 (1)36,828,330 (1)39,047,321 (1)41,417,056 (1)46,735,004 (1)49,752,000 (1)58,900,000 (1)63,419,000 (1)69,081,996 (1)69,414,000 (1)83,497,147 (1)86,092,168 (1)92,417,681 (1)109,139,000 (1)122,587,000 (1)134,000,000 (1)142,557,000 (1)213,421,037 (1)288,315,089 (1)340,587,000 (1)1,210,854,977 (1)1,407,698,000 (1)Show ResultsBrowseCompareSelect all 37ArgentinaLocation2 entriesArmeniaLocation1 entryAustraliaLocation3 entriesAustraliaLocation1 entryAustriaLocation1 entryBelgiumLocation1 entryBrazilLocation1 entryCanadaLocation2 entriesChileLocation6 entriesChinaLocation3 entriesCzechiaLocation1 entryDenmarkLocation1 entryEgyptLocation1 entryFranceLocation4 entriesGeorgiaLocation1 entryGermanyLocation3 entriesGreeceLocation1 entryHungaryLocation1 entryIndiaLocation6 entriesIndonesiaLocation1 entryIranLocation1 entryIrelandLocation1 entryIsraelLocation1 entryItalyLocation3 entriesJapanLocation1 entryMexicoLocation1 entryMoroccoLocation1 entryNetherlandsLocation1 entryRussiaLocation3 entriesSouth AfricaLocation3 entriesSpainLocation3 entriesSwedenLocation1 entryTurkeyLocation1 entryUkraineLocation1 entryUnited KingdomLocation2 entriesUnited StatesLocation16 entriesUzbekistanLocation1 entrySources1. Wikipedia: History of the telescopetier 2Wikimedia FoundationHistory of the telescope, lead sectionQuote, History of the telescope, lead sectionThe history of the telescope can be traced to before the invention of the earliest known telescope, which appeared in 1608 in the Netherlands, when a patent was submitted by Hans Lippershey, an eyeglass maker.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.