How much of the universe is dark matter?
There simply isn't enough normal matter to account for the amount of gravitational force needed to hold the universe together, meaning dark matter must be prevalent.
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There simply isn't enough normal matter to account for the amount of gravitational force needed to hold the universe together, meaning dark matter must be prevalent.
Most matter in the universe cannot be seen — but its influence on the largest structures in space can.
"Some say the world will end in fire, Some say in ice. From what I've tasted of desire I hold with those who favor fire. But if it had to perish twice, I think I know enough of hate To say that for destruction ice Is also great And would suffice." -Robert Frost Depending on where you are in the world right now, you might really be feeling the effects of the emerging winter, as cold snaps, freezes and snowstorms take hold across the northern hemisphere.
“In that little party there was not one who would desert another; yet we were of different countries, different colours, different races, different religions--and one of us was of a different world.” -Edgar Rice Burroughs It's the end of yet another week, and so it's time to look back on all we've written about and all you've discussed. There's been a lot, too! This past week has seen the telling of some terrific tales at Starts With A Bang, including:
“Today we have touched Mars. There is life on Mars, and it is us—extensions of our eyes in all directions, extensions of our mind, extensions of our heart and soul have touched Mars today. That's the message to look for there: We are on Mars. We are the Martians!” -Ray Bradbury