Yeah, that seems like a good explanation since they say it's a predicted curve based on stellar mass. It still seems odd to me that they would do this because there is such a difference in velocity in the second graph (220 km/s vs 160 km/s). You mentioned a lot of uncertainty about how much...
I was reading the wikipedia entry for Dark matter halo here:
https://en.wikipedia.org/wiki/Dark_matter_halo
And they have this graph for the Milky Way galaxy rotation curve:
"Galaxy rotation curve for the Milky Way. Vertical axis is speed of rotation about the galactic center. Horizontal...
I've been trying to find the latest, best guess, as to how long ago the universe's expansion began to accelerate (post-inflation). I've seen various estimates on websites from 5 billion to 8 billion years ago.
Is there any kind of consensus in the community that studies these things as to a...