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Here's a rather thought provoking video from the Hubble Space Telescope.
There are hundreds of billions of galaxies in the known universe, each with hundreds of billions of stars.
To put that in perspective, a hundred billion is 10^11. Multiply by another 10^11, and you get 10^22 suns.
If Earth like planets are so rare that only one sun in a billion has one, that's still 10^13 earth like planets.
The US national debt is on the order of tens of billions, or 10^10
The number of pennies in the US national debt, then, is on the order of 10^12.
So, if only one sun in a billion has an Earth like planet, there are still ten of them for every penny of the national debt.
There are hundreds of billions of galaxies in the known universe, each with hundreds of billions of stars.
To put that in perspective, a hundred billion is 10^11. Multiply by another 10^11, and you get 10^22 suns.
If Earth like planets are so rare that only one sun in a billion has one, that's still 10^13 earth like planets.
The US national debt is on the order of tens of billions, or 10^10
The number of pennies in the US national debt, then, is on the order of 10^12.
So, if only one sun in a billion has an Earth like planet, there are still ten of them for every penny of the national debt.