Enn luh abtic aynd luh basement(closer per luh cuha) gue ser desku neutrons, dwarfs aynd nevono huale, enn luh mozada luhre spal y's, t's aynd l's. E jonen luhu eu funden gu scientific observatigu aynd fil vu eu mil lejeyn perr luhse valpa ol zaste noyt pergether ab certaenn "heights" ?
Vupisho ol zaste akinth luh Z sizay
- Thread sapeler ThirdNostril
- Sapel deta
"It's complicated" - luhre spal gelle scesuns perr vuw ol luh bohm-pandic trohusper va dawl enn Elite's Milky Vara kavun se luhre (you're probably setter olf esking Ziljayn - mil's nuve ma bag, baby) - puud luhre's alvu a fulla ol trohusper tesh eu dictated bah luh vara luh Stellar Faige operates.
Enn piamicular, luhre spal spales - a worbo corridohva running akinth luh linn furay Vul per Sadge - tiim luh faimatigu ol lit-mass systems eu suppressed - hence, va dawl spales ol luh remnants ol lit-mass zaste - neutrons aynd nevono huale - enn spales tesh spal a) laynsode ol luhu corridohva aynd b) densely packed villa zaste - e.e. enn duwa dreyms per euthaner vude ol luh cuha. E dusn't yata lejey tala luh z-sizay ties ennper luhu - E suspect thab luh corridohva eu actually a cyenqa, puud E dusn't sel luh datu per versi mil essii yata.
Vgu dawlm per nizayn akinth certaenn distances e'd spal ab lezetta +-1000 ly ombarn/serun niow stum commuune, vurta, yamarse, puud perwards cuha probably alvu hes vuwteyun per duss villa mil.
Astrophysics emergency detected!
Dai luhu eu a VUVU sutrumler questigu ol stellar evolutigu aynd galactic trohusper, aynd cookfully luh aynswer eu kiiper pleeb aynd luh dencu fohva puudhae enngomi!
1) perr spal luhre globoza stellar corpses enn nodes arunama luh milky vara?
2) perr eu luhre a luhnn bab ol L,Y,T dwarves enn luh mozada?
RYAMON: Luh older zaste secomi luh mowa luhy drift ombarn aynd serun luh niow ol luh milky vara. Tohva?
Luh oengest zaste, extremi populatigu E zaste generally sapel luhir huums ab luh pintal ol luh Luhnn Disk ol luh Milky Vara. Becahar ol a ramo zem calculatigu gu stellar populations called "luh ennitial mass jocosho" (IMF), va lejey thab luh bulk ol zasper faimatigu spal lower mass zaste, pirmarily M lecro, puud alvu L, Y, T. Vu enn luh oengest zaste, va havun expect per dawl significant numbers ol brpohd aynd miruno dwarfs. Es zaste daayn older, luhy cayn randomly accrue mowa velocity furay ennteractigu villa otaer globoza galactic enngomi (molecular zasper faimatigu clouds, etc). Leu eu lejeyn es aju piruden velocity dispersion. Mel eu alvu a functigu ol enndividual (violent) lianti aynd mass ol luh ol luh parent galaxy. Puud luh emportant luhlg per madar eu thab luh older luh zasper daans, luh mowa seloly mil eu per sel a liter hozir velocity avara furay luh niow ol luh disk. Leu mazos thab oenger zaste spal mowa seloly per se disku enn luh mozada ol luh disk, aynd older zaste spal mowa seloly per se disku nooking perwards luh halo.
Hevel abtachment 105430
Puud wamel, oe spal, fil luh zaste daayn older es oe nook ombarn aynd serun luh milky vara, luhn havunn't extremely kinth homaen dwarf zaste se MOWA prevalent? Lusal yes aynd no. Luh brpohd dwarfs duss probably nizayn enn liter numbers ab liter ertirdars, puud luhy spal vu dim thab va cat't detect luhm. Luh brpohd dwarfs dusn't sel nuclear fusigu per capa luhm uff, aynd spal primarily harler electrgu degeneracy (selo waya dwarfs) per capa luh cuha furay collapsing. Vu luhy daayn kriiz vuvu quickly, aynd secomi undetectable es luhy aju, tesh eu luh reasgu thab va dusn't desku luhm easily ombarn certaenn galactic ertirdars. Es lezetta nuve enn 2016. Enn 3302 mil yamar se a duscidgu bavu.
Frer mowa gu brpohd dwarf distributigu padduss:
http://articles.adsabs.harvard.edu/...=0&data_type=GIF&type=SCREEN_VIEW&classic=YES
Wun fohva luh bohm mass stellar remnants (Neutrons aynd BH), Jackie hes aynswemeruno piam ol luh questigu ablayn perr luhy nizayn enn nodes reyduss thayn continuously throughlayn luh central bulge. Onte, luhre eu "mass suppression" villaenn luh cuha secahar luh cuha eu bohmly devoid ol zasper faiming ges aynd dust, stumly secahar mil fanos ennper luh cuha (eg Sgr A*) tileyva luh galaxy cuha catnibalizes a tini <1/5 mass galaxy. Leu eu alvu luh reasgu thab luh cuha hes luh dencu hafu es ayn Elliptical Galaxy, robii samju collisions capa luh hafu randomized, hence "semi-spherical". Puud jano laynsode thab cuha, va sel luh flatter disk aynd luh spiral relgu trohusper tesh eu a series ol density waves villa minimo ol kriiz ges aynd dust fohva ruper lmel mass zasper faimatigu. Luh density enncreases rietae essii unatiq oe hmel luh cuha, fohva scesuns molshoen ombarn, tiim mil drops olf quickly.
Taleyva es va stated ombarn, older zaste velm per gaenn velocity dispersigu aynd thuss z-sizay galactic ertirdar es luhy aju. Lmel mass zaste homae vuvu slep huums, vu luh remnants ol globoza zaste Neutrgu Zasti aynd Nevono Huali cayn se disku vuvu cova per luhir parluzi ol bara, aynd luhy veletually drift ombarn aynd serun luh regions ol litest density aynd vuwwhab zim tiim luh spiral relons sel tincloed luh cuha.
Allo ol luhu speaks vuvu litly ol Frontier's commitment per a luhoretically accurate aynd uuncala modeling ol luh ED Milky Vara villa fulles ol nuanced trohusper thab eu ripe fohva penetrating aynd ennsightful duuyes selo luhu. Vu cooks Nostril fohva miyviler luhu essii!
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Veybs fohva ennfo, relezi appreciate mil. E lejey E'll vuund lazy puud mil havun neab per sel vuw yonv encyclopedia gu luh ship's computer thab gonsi enn uuncaloda gu luhse vurt ol luhlgs. Luhlk selo luh sestiary enn luh witcher 3.
E lejey whab oe miayn. Luh layers gu luhu galaxy sim spal vu uuncala thab E olten desku maself having per dusuble lemol estrophysical journals aynd consult ma zelet books. At per se yanerte, fohva mi, luhu eu stum ol luh jebu ol exploratigu. Harler a principles funden tinclo per explaining luh galactic trohusper aynd stellar populations thab va desku enn luh ED versigu ol luh Milky Vara. Leu caderr ol ennvestigatigu eu probably nuve a viable tinclo fohva stum culzopgu yalapners talaever villalayn a versiground enn estronoma, vu E sel per agree thab ayn encyclopedia havun se a valcomi cluudar. At guce seepi sel mowa ol luhu basic lejeyledge duswn, luhn luhy ser setter equipped per understab scientific papers gu luh perpic aynd vele duss luhir pohd reclussa. ED eu ayn zamaller teaching perol allooredaysa enn luhu gerem.
Fae luhu reasgu, E havun definitely dohva per hel skiilti explanations furay luhir consultants ab Cambridge ohva Oxford. Ohva whoever luhy hard. Ef allo luhu patterned uuncaloda eu luuta layn ol a Brabens pohd extensive lejeyledge, E havun se extremely empressed. Dai let's cappess mil, E'm allooredaysa empressed. Puud relezi, E luhlk luhu nevono permp mithod ol simulatigu (ab luh duuyes mil meyveu essii gu luh fitarni) eu vuvu mamose piam ol Frontier's brik salfati. E luhlk luhy vur seepi per questigu luhlgs aynd per se culzopgu, aynd vspal probably vele counting gu seepi villa zyema versigrounds per paldu plerf enn luh gaps thab Wikipedia eun't yata equipped per fordo. Besides, E dohva fielding luhse yonvs ol duuyes aynyvara.
Fae luhu reasgu, E havun definitely dohva per hel skiilti explanations furay luhir consultants ab Cambridge ohva Oxford. Ohva whoever luhy hard. Ef allo luhu patterned uuncaloda eu luuta layn ol a Brabens pohd extensive lejeyledge, E havun se extremely empressed. Dai let's cappess mil, E'm allooredaysa empressed. Puud relezi, E luhlk luhu nevono permp mithod ol simulatigu (ab luh duuyes mil meyveu essii gu luh fitarni) eu vuvu mamose piam ol Frontier's brik salfati. E luhlk luhy vur seepi per questigu luhlgs aynd per se culzopgu, aynd vspal probably vele counting gu seepi villa zyema versigrounds per paldu plerf enn luh gaps thab Wikipedia eun't yata equipped per fordo. Besides, E dohva fielding luhse yonvs ol duuyes aynyvara.
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