This is a crazy thought experiment that got me thinking a lot, in order to move ahead in this thought experiment, let’s assume earth to be a super minute grain of sand, about 1.27 mm in diameter.
See this though experiment is all about visualization, earth is super big, but in this though experiment we are scaling the things down to measure the magnanimity of the universe and once we do that we can see how small earth is as compared to vast universe, so keep the perceptive and scale the same.
All in this scale will appear small and reachable: You can put any value instead of grain of sand, you can use the cell diameter, atom diameter and still you will find the scale compressing, the behavior is very logarithmic but actually it is a linear scale.
- Distance to the moon: 40 mm, about 1.6 inches
- Distance to the sun (1 AU): 15 meters or about 50 feet.
- Distance to Jupiter: 78 m.
- Distance to Pluto: 600 m.
- One light year (9.5 trillion km): 950 km. BTW, this means light moves at 0.03 m/s.
- Distance to nearest star (4.22 LY): 4000 km.
- Distance to galactic center (26,000 LY): 25 million km.
- Distance to Andromeda galaxy (2.54 million LY): 2.4 billion km (but at this scale, still within our real-world solar system).
- Distance to the center of our Virgo supercluster (about 65 million LY): 60 billion km (deep in the Oort Cloud, in the real universe). There are probably 10 million superclusters in the observable universe, so we are still a big step away from the size!
- Distance to the edge of the observable universe (94 billion LY): 90 trillion km, almost 10 LY in the real universe.
we can see how weird it all appears, because now the distance in light year being converted into KM, it is just like putting a log scale , large value turn into measurable values but the point here is the vastness of the universe is endless and yeah we haven’t taken inconsideration that the universe is expanding faster then the speed of light.
Some more measurements to look into.
Size of Jupiter: 14.3 mm (a large marble).
Size of HAT-P-35b (largest accurately measured exoplanet): 50–70 mm (a tennis ball).
Size of the sun: 139 mm (a grapefruit).
Size of Betelgeuse (well-known hypergiant star): 125 +/- 25 meters (a large blimp). A few hyper giants are half again as big, and in this scale, would fill a large stadium!