New evidence in favour of dark matter: the bars in galaxies are spinning more slowly than we thought

New evidence in favour of dark matter: the bars in galaxies are spinning more slowly than we thought
Created at
Credits
Daniel López
Description
Barred spiral galaxy NGC 7479 located in the Pegasus constellation about 105 million light years and discovered in 1784 by the German astronomer William Herschel. Its central bar is highlighted and very luminous. Credit: Daniel López/IAC.