Take the tour ×  Recently I read an article that there is dark
matter around the sun but if it is so, than why can we see it
clearly.  If it is called matter than it shall show some
hindrance in radiation we receive and the solar flares must
bounce back against them though they are coming straight to us.
To stay close to sun it has to be rotating at a very very high
speed, so does it?  Does it pose some kind of gravitational
effect on the rest of the system?  Is it constant or does it
increase or decrease in size?  share|improve this question
thanks for the link –  Blackbird Aug 16 '12 at 15:08 add comment
2 Answers  up vote 6 down vote accepted  Dark matter doesn't
mean that it occludes light. It means that it doesn't interact
with light. Therefore, it also can not block light. Light just
goes through it as if nothing was there. Dark matter only
interacts gravitationally. That's how we know it must be there.
It does not necessarily have to rotate at high speed, but if it
doesn't, it will just cumulate in