Posts Tagged ‘matter’

Whats the (dark) matter?

Sure you hear about this stuff, but what is it and what's the problem? I heard on a podcast a simple explanation! As we look at our galaxy we know it spins... But what we don't know is why it doesn't fling stars out of the edges as it spins ( like the force you feel on a merry go round). You might imagine the force pushing stars away from the [...]