3 ms·
What exactly was it again that leads humanity to assume dark matter is a thing? Last I checked, it was the unexplained speed of the outer parts of spiral galax
by klingonopera 7y ago
What exactly was it again that leads humanity to assume dark matter is a thing?
Last I checked, it was the unexplained speed of the outer parts of spiral galaxies that lead us to assume that dark matter must be the cause.
Have there been any recent developments to further solidify that dark matter is a thing?
- ajkjk 7y agoNo, there are dozens of distinct verifications; its presence is established essentially beyond the shadow of a doubt. It is anything but an assumption. See for instance https://en.wikipedia.org/wiki/Dark_matter#Observational_evidence https://en.wikipedia.org/wiki/Dark_matter#Observational_evid... Also https://www.reddit.com/r/space/comments/a8vgm9/how_many_of_you_think_that_dark_matter_is_just_a/ https://www.reddit.com/r/space/comments/a8vgm9/how_many_of_y... has a good summary.