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發表於:2024-02-10
1、Indeed,Chengexpectsthattheenergyoftheshockfrontatthegalacticcentreisnearly100timesgreaterthanthatcreatedbyasupernovaexplosion.2、Weknowthattheyexistfromtheimpacttheyha...
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發表於:2017-08-24
Suchmergerscangenerateaquasarphaseofgalacticevolution.Olderstarsresideinthebulgeatthecenterofthegalacticdisk.Betterstatisticsmighthelptoshedlightonthenatureofgalacticevol...
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發表於:2018-01-11
Partlyobscuredbyforegrounddust,thenebulaitselfsurroundsNGC1893,ayounggalacticclusterofstarsthatenergizestheglowinggas.Theringmayhavebeenformedwhentwogalacticclusterscolli...
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發表於:2019-01-01
Thebest-knownshape-shiftingprocessisgalacticcannibalism:mergingwithaneighborcanturnanorderlyspiralintoamessy,beehivelikeellipticalgalaxy.ThisgalaxywasgobbledupbytheMilkyW...
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發表於:2019-12-11
Thegalacticcenterandanticenteraredirectlyoppositeoneanotheronthegalacticequator–thegalacticplaneprojectedontothesky'sdomeorstellarsphere.AsseenfromEarth,themooncrossedt...