[exDemMom]

I want to say something about how the galaxies should have paid their gas bills, then they wouldn’t be having this problem.

But, seriously, it’s rather predictable that as hydrogen gets pulled into star and planet formation, there is less of it floating free. The real surprise would have been if there were as much hydrogen as ever.

I wonder about some of the terminology used in the article. Talking about the time dark energy took over makes it sound like dark energy did not exist at some point, and then sprang into existence. That just doesn’t make sense, since all forms of energy should have always existed. Maybe what the doctor meant was that dark energy was always there, but only exerted influence later—which makes sense, since one could envision that the dominance of various mechanisms changes with the other changing conditions in the universe (e.g., along with the decreasing amount of free hydrogen).

[exDemMom]

since one could envision that the dominance of various mechanisms changes with the other changing conditions in the universe

Arggh. That should read:

since one could envision that the dominance of various mechanisms changes as a function of the other changing conditions in the universe

[Red Badger]

There is no scientific proof that Dark Energy or Dark Matter even exists..............They are just scientists’ way of filling in the gaps of their knowledge with a name for what they do not understand.............