Leonidi - Povijest promjena

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2025-06-22T09:37:33Z

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←Starija inačica		Inačica od 22. lipanj 2025. u 09:37
Redak 1:		Redak 1:
	~~<!--'''Leonidi'''-->~~[[datoteka:Leonid Meteor.jpg\|mini\|desno\|250px\|Leonidi za vrijeme vrhunca pojave [[Meteorski pljusak\|meteorskog pljuska]] 2009.]]		[[datoteka:Leonid Meteor.jpg\|mini\|desno\|250px\|Leonidi za vrijeme vrhunca pojave [[Meteorski pljusak\|meteorskog pljuska]] 2009.]]

	[[datoteka:Leonidas sigloXIX.jpg\|mini\|250px\|desno\|Leonidi iz 1866., ilustracija.]]		[[datoteka:Leonidas sigloXIX.jpg\|mini\|250px\|desno\|Leonidi iz 1866., ilustracija.]]

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2021-11-26T03:02:35Z

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←Starija inačica		Inačica od 26. studeni 2021. u 03:02
Redak 5:		Redak 5:
	[[datoteka:Leonid meteor shower as seen from space (1997).jpg\|mini\|250px\|desno\|Leonidi viđeni iz svemira 1997. ([[NASA]]).]]		[[datoteka:Leonid meteor shower as seen from space (1997).jpg\|mini\|250px\|desno\|Leonidi viđeni iz svemira 1997. ([[NASA]]).]]

	'''Leonidi''' su [[Meteorski pljusak\|meteorski roj]] kojemu je [[radijant]] u zviježđu [[Lav (zviježđe)\|Lavu]], pojavljuje se oko 17. studenoga. Ima vrhunac, s posebno mnogo [[meteor]]a, svake 33 godine, a potječe s putanje dugoperiodičnoga [[Komet Tempel-Tuttle\|kometa Tempel-Tuttle]]. Najobilniji je pljusak bio 1833., s približno 35 000 meteora na [[sat]]. <ref> '''Leonidi''', [http://www.enciklopedija.hr/Natuknica.aspx?ID=36062] "Hrvatska enciklopedija", Leksikografski zavod Miroslav Krleža, www.enciklopedija.hr, 2014.</ref> Leonidi spadaju u najbrže meteorske rojeve, a [[brzina]] im se kreće oko 71 [[Metar u sekundi\|km/s]]. [[Prividna magnituda]] ili sjaj im se kreće za čestice veličine 10 [[metar\|mm]] i do ''m'' = -1.5. Godišnje oni mogu izručiti od 12 do 13 [[tona]] materijala na [[Zemlja\|Zemlju]]. Na raspored čestica dosta utječe [[gravitacija\|gravitacijska]] sila [[planet]]a (posebno [[Jupiter]]a), [[tlak elektromagnetskog zračenja]], Poynting-Robertsonov učinak ([[John Henry Poynting]]) i Jarkovskiev učinak. Leonidi su vrlo različiti i može se pojaviti od 5 do 8 [[meteor]]a na sat (ako se radi o starom tragu [[komet]]a), pa i preko tisuću meteora na sat (ako se radi o mladom tragu kometa). Prvi zapisi sežu još iz godine 902. <ref name=space021112>[http://www.space.com/scienceastronomy/astronomy/leonids_science_021112.html Space.com] The Power of a Shooting Star</ref> <ref name="Asher&McNaught99"> McNaught Robert H., Robert H. McNaught Asher, David J., David J. Asher: "Leonid Dust Trails and Meteor Storms", WGN, Journal of the International Meteor Organization, 27, 85–102, 1999., [http://adsabs.harvard.edu/full/1999JIMO...27...85M] </ref> <ref name="BrownThesis">{{~~Cite journal~~ \| last = Brown \| first = Peter \| first2 = J. \| last2 = Jones \| first3 = J. \| last3 = Rendtel \| title = Evolution of Two periodic Meteoroid Streams: the Perseids and Leonids \| thesis = \| volume = \| issue = \| pages = \| publisher = \| location = \| url = http://aquarid.physics.uwo.ca/~pbrown/thesis.html \| issn = \| doi = \| id = \| accessdate = 2009-12-24}}</ref>		'''Leonidi''' su [[Meteorski pljusak\|meteorski roj]] kojemu je [[radijant]] u zviježđu [[Lav (zviježđe)\|Lavu]], pojavljuje se oko 17. studenoga. Ima vrhunac, s posebno mnogo [[meteor]]a, svake 33 godine, a potječe s putanje dugoperiodičnoga [[Komet Tempel-Tuttle\|kometa Tempel-Tuttle]]. Najobilniji je pljusak bio 1833., s približno 35 000 meteora na [[sat]]. <ref> '''Leonidi''', [http://www.enciklopedija.hr/Natuknica.aspx?ID=36062] "Hrvatska enciklopedija", Leksikografski zavod Miroslav Krleža, www.enciklopedija.hr, 2014.</ref> Leonidi spadaju u najbrže meteorske rojeve, a [[brzina]] im se kreće oko 71 [[Metar u sekundi\|km/s]]. [[Prividna magnituda]] ili sjaj im se kreće za čestice veličine 10 [[metar\|mm]] i do ''m'' = -1.5. Godišnje oni mogu izručiti od 12 do 13 [[tona]] materijala na [[Zemlja\|Zemlju]]. Na raspored čestica dosta utječe [[gravitacija\|gravitacijska]] sila [[planet]]a (posebno [[Jupiter]]a), [[tlak elektromagnetskog zračenja]], Poynting-Robertsonov učinak ([[John Henry Poynting]]) i Jarkovskiev učinak. Leonidi su vrlo različiti i može se pojaviti od 5 do 8 [[meteor]]a na sat (ako se radi o starom tragu [[komet]]a), pa i preko tisuću meteora na sat (ako se radi o mladom tragu kometa). Prvi zapisi sežu još iz godine 902. <ref name=space021112>[http://www.space.com/scienceastronomy/astronomy/leonids_science_021112.html Space.com] The Power of a Shooting Star</ref> <ref name="Asher&McNaught99"> McNaught Robert H., Robert H. McNaught Asher, David J., David J. Asher: "Leonid Dust Trails and Meteor Storms", WGN, Journal of the International Meteor Organization, 27, 85–102, 1999., [http://adsabs.harvard.edu/full/1999JIMO...27...85M] </ref> <ref name="BrownThesis">{{Citiranje časopisa \| last = Brown \| first = Peter \| first2 = J. \| last2 = Jones \| first3 = J. \| last3 = Rendtel \| title = Evolution of Two periodic Meteoroid Streams: the Perseids and Leonids \| thesis = \| volume = \| issue = \| pages = \| publisher = \| location = \| url = http://aquarid.physics.uwo.ca/~pbrown/thesis.html \| issn = \| doi = \| id = \| accessdate = 2009-12-24}}</ref>

	{\| style="margin:auto;" \| class="wikitable"		{\| style="margin:auto;" \| class="wikitable"

WikiSysop: Bot: Automatska zamjena teksta (-{{Cite web +{{Citiranje weba)

2021-11-12T02:03:03Z

Bot: Automatska zamjena teksta (-{{Cite web +{{Citiranje weba)

←Starija inačica		Inačica od 12. studeni 2021. u 02:03
Redak 25:		Redak 25:
	\| align="center"\|2008.		\| align="center"\|2008.
	\| align="center"\|14. – 22. studenog		\| align="center"\|14. – 22. studenog
	\| 17 studenog <ref name="Meteor">{{~~Cite web~~		\| 17 studenog <ref name="Meteor">{{Citiranje weba
	\| title = Return of the Leonids		\| title = Return of the Leonids
	\| publisher =[[NASA]]		\| publisher =[[NASA]]
Redak 35:		Redak 35:
	\| align="center"\|2009.		\| align="center"\|2009.
	\| align="center"\|10. – 21. studenog		\| align="center"\|10. – 21. studenog
	\| 17 studenog <ref name="natgeo">{{~~Cite web~~		\| 17 studenog <ref name="natgeo">{{Citiranje weba
	\| url=http://news.nationalgeographic.com/news/2009/11/091116-leonids-meteor-shower-best-2009.html		\| url=http://news.nationalgeographic.com/news/2009/11/091116-leonids-meteor-shower-best-2009.html
	\| title = Leonid Meteor Shower: Best Sky Show Tonight		\| title = Leonid Meteor Shower: Best Sky Show Tonight
	\| author=Fazekas, Andrew		\| author=Fazekas, Andrew
	\| publisher=National Geographic News		\| publisher=National Geographic News
	\| date=November 16, 2009}}</ref><ref name="IMO">{{~~Cite web~~		\| date=November 16, 2009}}</ref><ref name="IMO">{{Citiranje weba
	\| title = IMO Meteor Shower Calendar 2009		\| title = IMO Meteor Shower Calendar 2009
	\| publisher = The International Meteor Organization		\| publisher = The International Meteor Organization
	\| date = 1997–2009		\| date = 1997–2009
	\| url = http://www.imo.net/calendar/2009#leo		\| url = http://www.imo.net/calendar/2009#leo
	\| accessdate =2009-10-21 }}</ref> <ref name="Meteor" /><ref>{{~~Cite web~~		\| accessdate =2009-10-21 }}</ref> <ref name="Meteor" /><ref>{{Citiranje weba
	\| title = Strong Leonid Meteor Shower Predicted for 2009		\| title = Strong Leonid Meteor Shower Predicted for 2009
	\| publisher = Space.com		\| publisher = Space.com
	\| date = 4 December 2008		\| date = 4 December 2008
	\| url = http://www.space.com/scienceastronomy/081204-leonids-meteor-shower-2009.html		\| url = http://www.space.com/scienceastronomy/081204-leonids-meteor-shower-2009.html
	\| accessdate =2009-10-22 }}</ref><ref>{{~~Cite web~~		\| accessdate =2009-10-22 }}</ref><ref>{{Citiranje weba
	\|last=Lopez		\|last=Lopez
	\|first=Mike		\|first=Mike
Redak 56:		Redak 56:
	\| date = December 7, 2008		\| date = December 7, 2008
	\| url = http://science.mikelopez.info/2008/12/07/watch-out-for-leonids-2009-meteor-shower/		\| url = http://science.mikelopez.info/2008/12/07/watch-out-for-leonids-2009-meteor-shower/
	\| accessdate = 2009-10-22}}</ref> <ref name=IMO2009>{{~~Cite web~~ \| url=http://www.imo.net/live/leonids2009 \| title = Leonids 2009: visual data quicklook \| publisher = The International Meteor Organization}}</ref>		\| accessdate = 2009-10-22}}</ref> <ref name=IMO2009>{{Citiranje weba \| url=http://www.imo.net/live/leonids2009 \| title = Leonids 2009: visual data quicklook \| publisher = The International Meteor Organization}}</ref>
	\| align="center"\|79<ref name=IMO2009/>		\| align="center"\|79<ref name=IMO2009/>
	\|-		\|-

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2021-10-13T23:07:08Z

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Nova stranica

[[datoteka:Leonid Meteor.jpg|mini|desno|250px|Leonidi za vrijeme vrhunca pojave [[Meteorski pljusak|meteorskog pljuska]] 2009.]]

[[datoteka:Leonidas sigloXIX.jpg|mini|250px|desno|Leonidi iz 1866., ilustracija.]]

[[datoteka:Leonid meteor shower as seen from space (1997).jpg|mini|250px|desno|Leonidi viđeni iz svemira 1997. ([[NASA]]).]]

'''Leonidi''' su [[Meteorski pljusak|meteorski roj]] kojemu je [[radijant]] u zviježđu [[Lav (zviježđe)|Lavu]], pojavljuje se oko 17. studenoga. Ima vrhunac, s posebno mnogo [[meteor]]a, svake 33 godine, a potječe s putanje dugoperiodičnoga [[Komet Tempel-Tuttle|kometa Tempel-Tuttle]]. Najobilniji je pljusak bio 1833., s približno 35 000 meteora na [[sat]]. <ref> '''Leonidi''', [http://www.enciklopedija.hr/Natuknica.aspx?ID=36062] "Hrvatska enciklopedija", Leksikografski zavod Miroslav Krleža, www.enciklopedija.hr, 2014.</ref> Leonidi spadaju u najbrže meteorske rojeve, a [[brzina]] im se kreće oko 71 [[Metar u sekundi|km/s]]. [[Prividna magnituda]] ili sjaj im se kreće za čestice veličine 10 [[metar|mm]] i do ''m'' = -1.5. Godišnje oni mogu izručiti od 12 do 13 [[tona]] materijala na [[Zemlja|Zemlju]]. Na raspored čestica dosta utječe [[gravitacija|gravitacijska]] sila [[planet]]a (posebno [[Jupiter]]a), [[tlak elektromagnetskog zračenja]], Poynting-Robertsonov učinak ([[John Henry Poynting]]) i Jarkovskiev učinak. Leonidi su vrlo različiti i može se pojaviti od 5 do 8 [[meteor]]a na sat (ako se radi o starom tragu [[komet]]a), pa i preko tisuću meteora na sat (ako se radi o mladom tragu kometa). Prvi zapisi sežu još iz godine 902. <ref name=space021112>[http://www.space.com/scienceastronomy/astronomy/leonids_science_021112.html Space.com] The Power of a Shooting Star</ref> <ref name="Asher&McNaught99"> McNaught Robert H., Robert H. McNaught Asher, David J., David J. Asher: "Leonid Dust Trails and Meteor Storms", WGN, Journal of the International Meteor Organization, 27, 85–102, 1999., [http://adsabs.harvard.edu/full/1999JIMO...27...85M] </ref> <ref name="BrownThesis">{{Cite journal | last = Brown | first = Peter | first2 = J. | last2 = Jones | first3 = J. | last3 = Rendtel | title = Evolution of Two periodic Meteoroid Streams: the Perseids and Leonids | thesis = | volume = | issue = | pages = | publisher = | location = | url = http://aquarid.physics.uwo.ca/~pbrown/thesis.html | issn = | doi = | id = | accessdate = 2009-12-24}}</ref>

{| style="margin:auto;" | class="wikitable"
! width="10%" | Godina
! width="15%" | Leonidi vidljivi između
! width="65%" | Vrhunac pojave
! width="10%" | [[Meteor]]a na [[sat]] najviše
|-
| align="center"|2006.
| align="center"|
| 19. studenog
| align="center"|78<ref name=IMO2006>[http://www.imo.net/live/leonids2006/#peak Leonids 2006: Morning of 19 November]</ref>
|-
| align="center"|2007.
| align="center"|
| 19. studenog
| align="center"|35<ref name=IMO2007>[http://www.imo.net/live/leonids2007/ Leonids 2007: visual data quicklook]</ref>
|-
| align="center"|2008.
| align="center"|14. – 22. studenog
| 17 studenog <ref name="Meteor">{{Cite web
| title = Return of the Leonids
| publisher =[[NASA]]
| date = Dec 4, 2008
| url = http://science.nasa.gov/headlines/y2008/04dec_leonids2009.htm
| accessdate = 2009-10-21}}</ref>
| align="center"|99<ref name=IMO2008>[http://www.imo.net/live/leonids2008/ Leonids 2008: visual data quicklook]</ref>
|-
| align="center"|2009.
| align="center"|10. – 21. studenog
| 17 studenog <ref name="natgeo">{{Cite web
| url=http://news.nationalgeographic.com/news/2009/11/091116-leonids-meteor-shower-best-2009.html
| title = Leonid Meteor Shower: Best Sky Show Tonight
| author=Fazekas, Andrew
| publisher=National Geographic News
| date=November 16, 2009}}</ref><ref name="IMO">{{Cite web
| title = IMO Meteor Shower Calendar 2009
| publisher = The International Meteor Organization
| date = 1997–2009
| url = http://www.imo.net/calendar/2009#leo
| accessdate =2009-10-21 }}</ref> <ref name="Meteor" /><ref>{{Cite web
| title = Strong Leonid Meteor Shower Predicted for 2009
| publisher = Space.com
| date = 4 December 2008
| url = http://www.space.com/scienceastronomy/081204-leonids-meteor-shower-2009.html
| accessdate =2009-10-22 }}</ref><ref>{{Cite web
|last=Lopez
|first=Mike
| title = Watch Out for Leonids 2009 Meteor Shower
| date = December 7, 2008
| url = http://science.mikelopez.info/2008/12/07/watch-out-for-leonids-2009-meteor-shower/
| accessdate = 2009-10-22}}</ref> <ref name=IMO2009>{{Cite web | url=http://www.imo.net/live/leonids2009 | title = Leonids 2009: visual data quicklook | publisher = The International Meteor Organization}}</ref>
| align="center"|79<ref name=IMO2009/>
|-
| align="center"|2010.
| align="center"|10. – 23. studenog
| 18. studenog
| align="center"|32<ref name=IMO2010>[http://www.imo.net/live/leonids2010/ Leonids 2010: visual data quicklook]</ref>
|-
| align="center"|2011.
| align="center"|
| 18. studenog
| align="center"|22<ref name=IMO2011>[http://www.imo.net/live/leonids2011/ Leonids 2011: visual data quicklook]</ref>
|-
| align="center"|2012.
| align="center"|6. – 30. studenog
| 20. studenog
| align="center"|47<ref name=IMO2012>[http://www.imo.net/live/leonids2012/ Leonids 2012: visual data quicklook]</ref>
|-
| align="center"|2013.
| align="center"|15. – 20. studenog
| 17. studenog
| align="center"|–
|-
| align="center"|2014.
| align="center"|6. – 30. studenog
| 17. studenog
| align="center"|15?
|}

== Izvori ==
{{Izvori}}

[[Kategorija:Meteorski pljuskovi]]