Template:Are You Sure/June 30: Difference between revisions
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[[File:Tunguska-Preservation-TV.jpg|link=Tunguska Event Preservation Society|thumb|The '''[[Tunguska Event Preservation Society]]''' launches fundraiser to simulate the 1927 Tunguska expedition.]] | [[File:Tunguska-Preservation-TV.jpg|link=Tunguska Event Preservation Society|thumb|The '''[[Tunguska Event Preservation Society]]''' launches fundraiser to simulate the 1927 Tunguska expedition.]] | ||
... that the | • ... that the '''[[Tunguska event (nonfiction)|Tunguska event]]''' was a massive explosion that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of June 30, 1908; that the explosion flattened an estimated 80 million trees over an area of 2,150 km2 (830 sq mi) of forest; that eyewitness reports suggest that at least three people may have died in the event; and that the explosion is generally attributed to the air burst of a stony meteoroid about 100 metres (330 feet) in size? | ||
• ... that '''[[Albert Einstein (nonfiction)|Albert Einstein]]''''s article "On the Electrodynamics of Moving Bodies" (published in ''Annalen der Physik'') introduced special relativity? | |||
• ... that mathematician '''[[William Oughtred (nonfiction)|William Oughtred]]''' invented the slide rule in 1622? | |||
{{Categories: June 30}} | |||
Latest revision as of 11:37, 30 June 2026
The Tunguska Event Preservation Society launches fundraiser to simulate the 1927 Tunguska expedition.
• ... that the Tunguska event was a massive explosion that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of June 30, 1908; that the explosion flattened an estimated 80 million trees over an area of 2,150 km2 (830 sq mi) of forest; that eyewitness reports suggest that at least three people may have died in the event; and that the explosion is generally attributed to the air burst of a stony meteoroid about 100 metres (330 feet) in size?
• ... that Albert Einstein's article "On the Electrodynamics of Moving Bodies" (published in Annalen der Physik) introduced special relativity?
• ... that mathematician William Oughtred invented the slide rule in 1622?
