ETSU astronomers uncover clues to origins of spiral galaxies (copy) (copy) Jul 29, 2026 2 hrs ago 0 Prefer us on Google Learn More Facebook Twitter Bluesky WhatsApp SMS Email Print Copy article link Save For generations, astronomers have been puzzled by a deceptively simple question: Why do some spiral galaxies have two arms while others have many?kAm#6D62C496CD 2E t2DE %6??6DD66 $E2E6 &?:G6CD:EJ[ :? 4@==23@C2E:@? H:E9 x@H2 $E2E6 &?:G6CD:EJ[ 36=:6G6 E96J 92G6 F?4@G6C65 2? :>A@CE2?E A:646 @7 E96 2?DH6C] %96 C6D62C49[ AF3=:D965 :? E96 pDEC@A9JD:42= y@FC?2= E9:D >@?E9 2?5 DFAA@CE65 3J E96 }p$p %6??6DD66 $A246 vC2?E r@?D@CE:F>[ DF886DED E96 2?DH6C =:6D :? E96 46?EC2= 3F=86[ E96 56?D6 4@==64E:@? @7 DE2CD 2E E96 4@C6 @7 2 82=2IJ]k^AmkAm%96:C 7:?5:?8D D965 =:89E @? 9@H 82=2I:6D 7@C> 2?5 6G@=G6 2?5 >2J AC@G:56 2DEC@?@>6CD H:E9 2 ?6H H2J E@ 36EE6C F?56CDE2?5 52C< >2EE6C[ H9:49 }p$p 56D4C:36D 2D E96 “:?G:D:3=6 8=F6” 9@=5:?8 E96 F?:G6CD6 E@86E96C]k^Am People are also reading… Family, Smyth Animal Rescue unite to keep Olivia's light shining For 25 years LASO offers skills, life lessons Son of Chiefs OC Eric Bieniemy arrested for shooting mother in Virginia home Smyth hospital CEO says SCCH is not at risk of closure Smyth County continues to explore data center regs Fair fun and fellowship is underway in Rich Valley Smyth asks court to OK 1% sales tax referendum for schools Smyth Strong Award: Honoring Greer for giving others' hope Ex-pastor at Botetourt church led 'double life' sexually exploiting young girls Smyth sheriff reports first numbers from photo-enforced I-81 work zone UNC places general manager for football on paid administrative leave Waynesboro teacher's aide accused of putting hand sanitizer in student's mouth DIARY OF A WORD NERD: Limiting the spread of political violence For veterans: Marion's American Legion service officer, commander receive state honors Vote for who can beat Warner kAm“$A:C2= 82=2I:6D 2C6 2>@?8 E96 >@DE C64@8?:K23=6 @3;64ED :? E96 F?:G6CD6[ J6E H6VG6 ?6G6C 7F==J F?56CDE@@5 H9J E96J 56G6=@A 5:776C6?E ?F>36CD @7 DA:C2= 2C>D[Q D2:5 sC] q6G6C=J $>:E9[ AC@;64E =625 2?5 AC@76DD@C :? E96 s6A2CE>6?E @7 !9JD:4D 2?5 pDEC@?@>J :? E96 r@==686 @7 pCED 2?5 $4:6?46D]k^AmkAm“qJ DEF5J:?8 E9@FD2?5D @7 82=2I:6D[ H6VC6 368:??:?8 E@ :56?E:7J A2EE6C?D E92E C6G62= 9@H E96D6 DJDE6>D 7@C>65 2?5 6G@=G65 @G6C 3:==:@?D @7 J62CD]”k^AmkAm$>:E9 D2:5 E96:C E62> 2?2=JK65 :>286D @7 82=2I:6D 42AEFC65 3J E96 tFC@A62? $A246 p86?4J’D tF4=:5 DA246 E6=6D4@A6] q642FD6 tF4=:5’D :>286D 2C6 D:8?:7:42?E=J D92CA6C E92? E9@D6 7C@> 8C@F?5\32D65 E6=6D4@A6D[ :E H2D 23=6 E@ 5:DE:?8F:D9 DA:C2= 2C> DECF4EFC6D :? 82=2I:6D 3:==:@?D @7 =:89E\J62CD 2H2J – 2==@H:?8 2DEC@?@>6CD E@ D66 82=2I:6D 2D E96J 2AA62C65 H96? E96 F?:G6CD6 H2D 92=7 :ED 4FCC6?E 286]k^Am kAm%96 t%$& 2?5 x$& E62> 7@F?5 E92E 82=2I:6D H:E9 =2C86C 46?EC2= 3F=86D – DF49 2D E96 |:=<J (2J – 2=>@DE 2=H2JD 92G6 EH@ 5@>:?2?E DA:C2= 2C>D] x? 4@?EC2DE[ 82=2I:6D H:E9 D>2==6C[ 7=2EE6C 46?E6CD E6?5 E@ 92G6 ?F>6C@FD DA:C2= 2C>D]k^AmkAm%96:C @3D6CG2E:@?D 4=@D6=J >2E4965 AC65:4E:@?D 7C@> 4@>AFE6C D:>F=2E:@?D @7 82=2IJ 7@C>2E:@?] x? 6DD6?46[ E96 >@C6 46?EC2==J 4@>A24E E96 82=2IJ[ E96 76H6C 2C>D 2C6 AC@5F465]k^AmkAm%96 E@E2= >2DD @7 2 82=2IJ 2=D@ A=2JD 2 C@=6[ :?7=F6?4:?8 E96 =6?8E9 2?5 AC@>:?6?46 @7 E96 DA:C2= 2C>D] q642FD6 E96 @G6C2== 5:DEC:3FE:@? @7 >2EE6C – :?4=F5:?8 52C< >2EE6C – 96=AD D92A6 DA:C2= DECF4EFC6[ $>:E9’D E62> 36=:6G6D 4@F?E:?8 E96 ?F>36C @7 DA:C2= 2C>D :? 2 82=2IJ >2J @776C 2 ?6H H2J E@ 6DE:>2E6 E96 2>@F?E @7 52C< >2EE6C 4@?46?EC2E65 2E :ED 46?E6C]k^Am kAm“%96 ?F>36C @7 DA:C2= 2C>D EFC?D @FE E@ 36 >@C6 E92? ;FDE 2? :?E6C6DE:?8 762EFC6 – :E C67=64ED H92EVD 92AA6?:?8 566A H:E9:? E96 82=2IJ :ED6=7[” $>:E9 D2:5] “%92EVD 6I4:E:?8 3642FD6 :E 8:G6D FD 2?@E96C E@@= 7@C F?56CDE2?5:?8 A2CED @7 E96 F?:G6CD6 H6 42?VE @3D6CG6 5:C64E=J[ =:<6 52C< >2EE6C]”k^AmkAm%96 AC@;64E 2=D@ AC@G:565 2 92?5D\@? =62C?:?8 @AA@CEF?:EJ 7@C t%$& DEF56?E $J5?:6 q6C8?6C[ 2? F?56C8C25F2E6 A9JD:4D >2;@C] q6C8?6C A2CE:4:A2E65 :? E96 DEF5J =2DE DF>>6C]k^AmkAm“(@C<:?8 H:E9 sC] $>:E9 2?5 86EE:?8 E96 @AA@CEF?:EJ E@ :?G@=G6 >JD6=7 :? C6D62C49 62C=J H2D 2? 9@?@C E92E x ?6G6C 6IA64E65 H96? 4@?D:56C:?8 >J 4@==686 42C66C[” D2:5 q6C86C] “xE’D 364@>6 E96 =2F?49:?8 A25 7@C >J 42C66C :? A9JD:4D C6D62C49[ D@>6E9:?8 E92E 92D 42CC:65 >6 E@ 7FCE96C @AA@CEF?:E:6D[ 2?5 2? 6IA6C:6?46 x’== ?6G6C 7@C86E]” k^Am kAm p=D@ 4@?EC:3FE:?8 E@ E96 C6D62C49 H6C6 t%$& AC@76DD@C sC] |2C< v:C@FI 2?5 sC] rFCE:D $ECF4<[ AC@76DD@C 6>6C:EFD 2E x$&]k^AmkAmU?3DAj%96 DEF5J C67=64ED t%$&VD 4@>>:E>6?E E@ 6IA2?5:?8 C6D62C49 @AA@CEF?:E:6D 7@C DEF56?ED H9:=6 25G2?4:?8 5:D4@G6C:6D E92E 4@?EC:3FE6 E@ D4:6?E:7:4 F?56CDE2?5:?8 2C@F?5 E96 H@C=5] {62C? >@C6 23@FE t%$&UCDBF@jD 4@>>:E>6?E E@ 25G2?4:?8 C6D62C49 2E k2 9C67lQ9EEAi^^6EDF]65F^EC2:=3=2K6CDQm6EDF]65F^EC2:=3=2K6CDk^2m] $>:E9VD C6D62C49 :D 2G2:=23=6 E@ G:6H @?=:?6 2E k2 9C67lQ9EEADi^^3:E]=J^cJ>qaK5Qm9EEADi^^3:E]=J^cJ>qaK5k^2m]k^Am 0 Comments Be the first to know Get local news delivered to your inbox! Sign up! * I understand and agree that registration on or use of this site constitutes agreement to its user agreement and privacy policy. Related to this story Most Popular Family, Smyth Animal Rescue unite to keep Olivia's light shining Matthew Alley didn’t get to treasure a senior prom photo of his daughter Olivia or experience her high school graduation this spring. The 16-y… For 25 years LASO offers skills, life lessons Lori Carlton stood before her fellow Lifetime Aquatic Swim Organization veterans and its leaders and shared that she learned a great deal abou… Son of Chiefs OC Eric Bieniemy arrested for shooting mother in Virginia home The son of Kansas City Chiefs offensive coordinator Eric Bieniemy has been arrested following a shooting at Bieniemy's home in Virginia, autho… Smyth hospital CEO says SCCH is not at risk of closure Last week, Smyth County Community Hospital CEO Dale Clark said the Marion hospital is not at risk of closing. Smyth County continues to explore data center regs For the moment, there is no mechanism by which a data center can locate in Smyth County.
Family, Smyth Animal Rescue unite to keep Olivia's light shining Matthew Alley didn’t get to treasure a senior prom photo of his daughter Olivia or experience her high school graduation this spring. The 16-y…
For 25 years LASO offers skills, life lessons Lori Carlton stood before her fellow Lifetime Aquatic Swim Organization veterans and its leaders and shared that she learned a great deal abou…
Son of Chiefs OC Eric Bieniemy arrested for shooting mother in Virginia home The son of Kansas City Chiefs offensive coordinator Eric Bieniemy has been arrested following a shooting at Bieniemy's home in Virginia, autho…
Smyth hospital CEO says SCCH is not at risk of closure Last week, Smyth County Community Hospital CEO Dale Clark said the Marion hospital is not at risk of closing.
Smyth County continues to explore data center regs For the moment, there is no mechanism by which a data center can locate in Smyth County.
