3 ms·
> speed past the center What caused these particles to accelerate up to the speeds they are at in the first place, then? Something must be interacting with the
by grkvlt 10y ago
> speed past the center
What caused these particles to accelerate up to the speeds they are at in the first place, then? Something must be interacting with them quite significantly if they have non-zero velocity?
- openasocket 10y agothe force of gravity
- gus_massa 10y agoGravity. Actually, almost the only thing that we know about dark mater is that gravity affect it. (Actually, we only know that there is something that is making a gravitational pull of normal mater, and we call this mysterious thing "dark mater".)