Meteoorreën: Verskil tussen weergawes
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Lyn 31:
Onlangs het Peter Jenniskens<ref name="Jenniskens P. 2006"/> gereken die meeste van ons kortperiode-meteoorreëns ontstaan nie vanweë die gewone waterverdamping van aktiewe komete nie, maar is die gevolg van onreëlmatige verbrokkelings, wanneer groot stukke afbreek van ’n hoofsaaklik dormante komeet. Voorbeelde is die [[Quadrantides]] en [[Geminides]], wat ontstaan het weens die verbrokkeling van die [[asteroïde]]-agtige voorwerpe 2003 EH1 en 3200 Phaethon, onderskeidelik sowat 500 en 1 000 jaar gelede. Die fragmente breek verder op in stof, sand en klippies en sprei uit oor die wentelbaan van die komeet om ’n digte meteoroïdestroom te vorm.
==Bekende meteoorreëns==
Baie meteoorreëns kom jaarliks op dieselfde tyd voor omdat die Aarde elke jaar op dieselfde tyd deur ’n spesifieke stroom afval beweeg.
=== Perseïdes en Leonides ===
Die duidelikste meteoorreën in die meeste jare is die [[Perseïdes]], wat hul hoogtepunt elke jaar op 12 Augustus bereik, met meer as een meteoor per minuut. Nasa het ’n [http://leonid.arc.nasa.gov/estimator.html nuttige program] om te bereken hoeveel meteore per uur vanaf ’n sekere ligging sigbaar is.
Die [[Leonides]] bereik hul hoogtepunt omstreeks 17 November van elke jaar. Sowat elke 33 jaar veroorsaak dié reën ’n meteoorstorm, met duisende meteore per uur op sy hoogtepunt. Die laaste Leonide-storms was in 1999, 2001 (twee) en 2002 (twee). Wanneer die Leonides nie ’n storm veroorsaak nie, is hulle minder aktief as die Perseïdes.
===Ander meteoorreëns===
Amptelike name word aangedui in die [[IAU]] se lys meteoorreëns.<ref>{{cite web |url=http://www.astro.amu.edu.pl/~jopek/MDC2007/ |title=List of all meteor showers |publisher=[[IAU]] |date=15 Augustus 2015}}</ref>
{| class="wikitable"
|-
! width=25% | Reën
! width=20% | Tyd
! Moedervoorwerp
|-
| Quadrantides
| Vroeg Januarie
| Dieselfde as die moedervoorwerp van die [[kleinplaneet]] {{mp|2003 EH|1}},<ref>
{{cite journal
|last=Jenniskens
|first=P.
|date=March 2004
|title= 2003 EH<sub>1</sub> is the Quadrantid shower parent comet
|journal=Astronomical Journal
|volume=127
|issue=5
|pages=3018–3022
|bibcode=2004AJ....127.3018J
|doi = 10.1086/383213
}}</ref> Komeet C/1490 Y1.<ref name="Ball">Ball, Phillip. [http://www.nature.com/news/2003/031231/full/news031229-5.html Dead comet spawned New Year meteors], ''Nature''-webtuiste, {{ISSN|1744-7933}}, {{doi|10.1038/news031229-5}}, aanlyn gepubliseer op 31 Desember 2003.</ref><ref name="Haines">Haines, Lester, [http://www.theregister.co.uk/2008/01/08/quadrantid_meteors/ Meteor shower traced to 1490 comet break-up: Quadrantid mystery solved], ''The Register'', 8 Januarie 2008.</ref> Komeet C/1385 U1 is ook al as ’n moontlike bron ondersoek <ref>
{{cite journal
|title=Updated analysis of the dynamical relation between asteroid {{mp|2003 EH|1}} and comets C/1490 Y1 and C/1385 U1
|author= Marco Micheli
|author2=Fabrizio Bernardi
|author3=David J. Tholen
|date=16 Mei 2008
|doi=10.1111/j.1745-3933.2008.00510.x
|journal=Monthly Notices of the Royal Astronomical Society: Letters
|volume=390
|pages=L6–L8
|issue=1
|arxiv=0805.2452
|bibcode=2008MNRAS.390L...6M
}}</ref>
|-
| Lyrides
| Laat April
| Komeet Thatcher
|-
| Pi Puppides (periodies)
| Laat April
| Komeet 26P/Grigg-Skjellerup
|-
| Eta Aquariïdes
| Vroeg Mei
| Komeet 1P/Halley
|-
| Arietides
| Middel Junie
| Komeet 96P/Machholz, Marsden-komeetgroep en Kracht-komeetgroepkompleks <ref name="MeteorShowers" /><ref name="96p">
{{cite journal
|bibcode=2005ApJS..161..551S
|title=Origin of the Marsden and Kracht Groups of Sunskirting Comets. I. Association with Comet 96P/Machholz and Its Interplanetary Complex
|journal=Astrophysical Journal Supplement Series
|volume=161 |pages=551
|author=Sekanina, Zdeněk |author2=Chodas, Paul W.
|date=Desember 2005
|doi=10.1086/497374
|issue=2
}}</ref>
|-
| Junie-Boötides (periodies)
| Laat Junie
| Komeet 7P/Pons-Winnecke
|-
| Suidelike Delta-Aquariïdes
| Laat Julie
| Komeet 96P/Machholz, Marsden-komeetgroep en Kracht-komeetgroepkompleks <ref name="MeteorShowers" /><ref name="96p" />
|-
| Alpha Capricornides
| Laat Julie
| Komeet 169P/NEAT<ref>{{cite journal|last1=Jenniskens|first1=P.|last2=Vaubaillon|first2=J. |date=2010 |title=Minor Planet 2002 EX12 (=169P/NEAT) and the Alpha Capricornid Shower |journal=Astronomical Journal |volume=139|issue=5 |pages=1822–1830|bibcode=2010AJ....139.1822J|doi = 10.1088/0004-6256/139/5/1822 }}</ref>
|-
| Perseïdes
| Middel Augustus
| Komeet 109P/Swift-Tuttle
|-
| Kappa Cygnides
| Middel Augustus
| Kleinplaneet 2008 ED69<ref>{{cite journal|last1=Jenniskens|first1=P.|last2=Vaubaillon|first2=J. |date=2008 |title= Minor Planet 2008 ED69 and the Kappa Cygnid Meteor Shower |journal=Astronomical Journal |volume=136|issue=2 |pages=725–730|bibcode=2008AJ....136..725J|doi = 10.1088/0004-6256/136/2/725 }}</ref>
|-
| Aurigides (periodies)
| Vroeg September
| Komeet C/1911 N1 (Kiess)<ref name="Jenniskens Vaubaillon 2007 Unusual">{{cite journal|last1=Jenniskens |first1=Peter |last2=Vaubaillon |first2=Jérémie |date=2007 |title= An Unusual Meteor Shower on 1 September 2007 |journal=Eos, Transactions, American Geophysical Union |volume=88 |issue=32 |pages=317–318 |bibcode=2007EOSTr..88..317J|doi = 10.1029/2007EO320001 }}</ref>
|-
| Draconides (periodies)
| Vroeg Oktober
| Komeet 21P/Giacobini-Zinner
|-
| Orionides
| Laat Oktober
| Komeet 1P/Halley
|-
| Suidelike Taurides
| Vroeg November
| Komeet 2P/Encke
|-
| Noordelike Taurides
| Middel November
| Kleinplaneet {{mp|2004 TG|10}} en ander<ref name="MeteorShowers" /><ref name="Porubčan2006">{{cite journal
|last=Porubčan |first=V.
|title=The Taurid complex meteor showers and asteroids
|journal=Contributions of the Astronomical Observatory Skalnaté Pleso
|volume=36 |pages=103–117 |date=2006
|bibcode=2006CoSka..36..103P
|last2=Kornoš |first2=L.
|last3=Williams |first3=I.P. |arxiv = 0905.1639 }}</ref>
|-
| Andromedides (periodies)
| Middel November
| Komeet 3D/Biela<ref name="Jenniskens Vaubaillon 2007 3D/Biela">{{Cite journal| last1 = Jenniskens | first1 = P.| last2 = Vaubaillon | first2 = J.| doi = 10.1086/519074| title = 3D/Biela and the Andromedids: Fragmenting versus Sublimating Comets| journal = The Astronomical Journal| volume = 134| issue = 3| pages = 1037| year = 2007| pmid = | pmc = | ref = harv|bibcode = 2007AJ....134.1037J }}</ref>
|-
| Alpha Monocerotides (periodies)
| Middel November
| Onbekend<ref>{{cite journal|last1=Jenniskens|first1=P.|last2=Betlem|first2=H.|last3=De Lignie|first3=M.|last4=Langbroek|first4=M.|date=1997|bibcode=1997ApJ...479..441J |title= The Detection of a Dust Trail in the Orbit of an Earth-threatening Long-Period Comet |journal=Astrophysical Journal |volume=479 |pages=441|doi = 10.1086/303853 }}</ref>
|-
| Leonides
| Middel November
| Komeet 55P/Tempel-Tuttle
|-
| Phoenicides (periodies)
| Vroeg Desember
| Komeet 289P/Blanpain<ref>{{cite journal|last1=Jenniskens|first1=P.|last2=Lyytinen|first2=E. |date=2005 |title= Meteor Showers from the Debris of Broken Comets: D/1819 W1 (Blanpain), 2003 WY25, and the Phoenicids |journal=Astronomical Journal |volume=130|issue=3 |pages=1286–1290|bibcode=2005AJ....130.1286J|doi = 10.1086/432469 }}</ref>
|-
| Geminides
| Middel Desember
| Kleinplaneet 3200 Phaethon<ref name="IAUC3881">
{{cite web
|date=1983-10-25
|title=IAUC 3881: 1983 TB AND THE GEMINID METEORS; 1983 SA; KR Aur
|publisher=International Astronomical Union Circular
|author=Brian G. Marsden
|url=http://www.cbat.eps.harvard.edu/iauc/03800/03881.html#Item0
|accessdate=2011-07-05
}}</ref>
|-
| Ursides
| Laat Desember
| Komeet 8P/Tuttle<ref>{{cite journal |last1=Jenniskens |first1=P. |last2=Lyytinen |first2=E. |last3=De Lignie |first3=M.C. |last4=Johannink |first4=C. |last5=Jobse |first5=K. |last6=Schievink |first6=R. |last7=Langbroek |first7=M. |last8=Koop |first8=M. |last9=Gural |first9=P. |last10=Wilson |first10=M.A. |last11=Yrjölä |first11=I. |last12=Suzuki |first12=K. |last13=Ogawa |first13=H. |last14=De Groote |first14=P. |date=2002 |title= Dust Trails of 8P/Tuttle and the Unusual Outbursts of the Ursid Shower |journal=Icarus |volume=159 |pages=197–209 |bibcode=2002Icar..159..197J|doi = 10.1006/icar.2002.6855 }}</ref>
|}
==Verwysings==
{{Verwysings|
[[Kategorie:Meteoorreëns]]
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