Mestey co-rollageyssagh

Ta mestaghyn co-rollageyssagh taghyrtyn tra ta daa (ny ny smoo) cho-rollageys covuilley rish y cheilley. Ta'n eddyr-obbraghey shen coontit myr yn eddyr-obbraghey co-rollageyssagh smoo loghtal t'ayn. Shymmey eiyrtys mooar er ny co-rollageyssyn hene kyndagh rish ny h-eddyr-obbraghyn ym-hayrnagh eddyr ny co-rollageyssyn as y screebey eddyr y ghas as y joan tuinnagh. Ansherbee, ta cummaghyn as sorçhyn ny h-eiyrtyssyn shen bunnit er caghlaaghyn mooarey dy pharameadaryn lheid as uillinyn ny covuillaghyn, ny bieauidyn, as y mooadys ny cummey conastagh. Shymmey obbyr as ronsaghey ta taghyrtyn nish 'sy cheird shoh. S'scanshoil ta mestaghyn co-rollageyssagh er-yn-oyr dy vel y chormid vestee coontit myr towshan bunneydagh da aafilley ny co-rollageyssyn as t'eh kiarail leeidyn da rollageyderyn bentyn rish aase co-rollageyssyn harrish lhingyn liauyrey.

Ronnaghyn
Foddee mestaghyn co-rollageyssagh ve rang-oardit ayns possanyn er lheh bentyn rish troyn ny co-rollageyssyn mestee, lheid as yn earroo oc, y mooadys cosoylagh oc, as berçhys y ghas t'ayndaue.

Rere earroo
Foddee mestaghyn ve rang-oardit rere earroo ny co-rollageyssyn ta mestey:
Mestey jeesoil Daa cho-rollageys ta mestey.
Yl-vestey Tree co-rollageys ta mestey.

Rere mooadys
Foddee mestaghyn ve rang-oardit rere mooadys y cho-rollageys smoo as kys t'eh er ny ve ceaghlit rere mooadys ny cummey liorish y vestey:
Myn-vestey Ta mestaghyn coontit myr myn-vestaghyn tra ta fer jeh ny co-rollageyssyn foddey ny smoo na yn fer, ny ny fir, elley. Er y chooid smoo, ta'n co-rollageys "gee" yn fer by loo - red ta enmyssit "canniblaght ghalactagh" - soo yn chooid smoo jeh'n ghas as ny rollageyn echey gyn mooarane eiyrtys er y cho-rollageys smoo. T'eh er credjal dy vel y co-rollageys ain, Raad Mooar Gorree, gee shiartanse dy cho-rollageyssyn beggey ec y traa t'ayn, lheid as Co-rollageys Crivassanagh y Voddey Mooar as, foddee, Bodjallyn Magellan. T'eh er credjal dy nee brooillagh co-rollageys crivassanagh ta begnagh mestit rish Raad Mooar Gorree eh Strooan Rollageagh y Voidyn.
Mooar-vestey Ta mestaghyn eddyr daa cho-rollageys caslagh ta cosoylagh rish y cheilley coontit myr mooar-vestaghyn; my vees ad covuilley fo uillinyn as bieauidyn cooie, vees ad mestey rere aght ta gimman y chooid smoo jeh'n joan as y gas lesh caghlaa obbrinaghtyn aaveaghee ta goaill stiagh keimyn dy heshveanyn galactagh bio. T'eh er credjal dy nee eshyn y forse immanagh ta çheu chooylloo quasaryn. She co-rollageys eelipsagh yn eiyrtys, as ta ram rollageyderyn sheiltyn dy nee eshyn y vun-obbrinaght ta croo eelipsee.

Ren un studeyrys feddyn magh dy ren co-rollageyssyn mooarey mestey rish y cheilley foddee un cheayrt harrish 9 billoonyn dy vleeantyn. Ren co-rollageyssyn beggey mestey rish co-rollageyssyn mooarey ny s'menkey. Rere ny faaishnyssyn, bee Raad Mooar Gorree as Co-rollageys y Ven Gheulit mestey lurg 4.5 billoonyn dy vleeantyn. T'ee oolit dy nee yn mestey shen croo co-rollageys eelipsagh mooar ass daa cho-rollageys caslagh mooar-chiaddit.

Rere berçhys gas
Foddee mestaghyn ve rang-oardit rere eddyr-obbraghey yn ghas (my vel gas erbee ayn) ta çheusthie as ta mygeayrt ny co-rollageyssyn ta mestey:
Mestey fliugh Ta mestaghyn fliugh taghyrtyn tra ta co-rollageyssyn berçhagh ayns gas (co-rollageyssyn "gorrym") mestey rish y cheilley. Er y chooid smoo, ta co-rollageyssyn fliugh croo ram rollageyn, ceaghley co-rollageyssyn jysk stiagh ayns co-rollageyssyn eelipsagh, as cur bun rish bioyrid quasaryn.
Mestey çhirrym Ta mestaghyn eddyr co-rollageyssyn raad nagh vel mooarane gas ayn (co-rollageyssyn "jiarg") enmyssit co-rollageyssyn çhirrym. Er y chooid smoo, cha nel mestaghyn çhirrym ceaghley cormidyn crooaght rollageyn ayns ny co-rollageyssyn dy mooar, agh foddee dy vel paart mooar ad ayns bishaghey yn ghlout rollageagh.
Mestey tash Ta mestaghyn tash taghyrtyn eddyr yn daa horçh dy cho-rollageyssyn ta enmyssit heose (co-rollageyssyn "gorrym" as "jiarg"), my vel gas dy liooar ayn son dy chur rish cormidyn mooarey dy chrooaght rollageyn agh mannagh vel dy liooar ayn son dy chroo dhossanyn bluckanagh.
Mestey mestit Ta mestaghyn mestit tra ta co-rollageyssyn berçhagh ayns gas as co-rollageyssyn gyn mooarane gas  (co-rollageyssyn "gorrym" as "jiarg") mestey rish y cheilley.

Sampleyryn
Ta co-rollageyssyn ta mestey, ny ta er ny vestey, goaill stiagh:
 Co-rollageyssyn ny h-Aeragyn
 Co-rollageyssyn ny Lughyn
 Kentaur A
 NGC 7318
 Arp 273

Galleree

Jeeagh er neesht
 Boogh (rollageydys)
 Rolley strooanyn rollageagh
 Laccalys glout
 Co-rollageys pishyragh

Imraaghyn

Kianglaghyn magh
 Andromeda involved in galactic collision – NBC News
 "GALMER: Galaxy Merger Simulations"

*Mestey
Ronney:Taghyrtyn buillee