Momoshiki’s Dimensions
Feat: Momoshiki is capable of creating massive dimensions, so I’ll calculate it
Now, we can interpret this statement by itself in 2 different ways:
Momoshiki only created the planet they're on (which is based off of the fact that Kaguya tells Team 7 she doesn't want to fight at her precious Nursery)
Momoshiki creating the entire dimension they're in (based off of the fact that Momoshiki distinguishes between Seedbed (which he refers to in context to the Earth) and Nursery)
(Added post-these 2) Momoshiki creating the main solar system
First I will calculate the energy needed to create the world in both of these contexts, and then I will produce the output over time, since we have no indication it happened instantly.
The movie novelization supports the dimensional creation aspect, however I won't say how valid that is, so I'll leave it up for discussion
In this shot, we can see 6 stars, and we naturally assume that the planet is orbiting one too (given its reflectiveness as seen below), making a total of 7 stars. I will assume that they are all roughly Sun sized.
According to our standards, the Sun has a GBE of: 5.693e+41 Joules
I will follow the same process as this calc)
E= 4 * U * ((Er/Tr)2)
I will assume two ends: One with the combined GBE of every Star into one point (that is, 6*5.693e+41 Joules), and one with just the GBE of one star.
I will also be assuming the distance to Alpha Centauri which is: 4.1315e+16 meters
The radius of the Sun is: 6.957e+8 meters.
U - target GBE
Er - explosion radius
Tr - target radius
First End E= 4 * U * ((Er/Tr)2) = 45.693e+41((4.1315e+16/6.957e+8)2) = 8.0310565e+57 Joules (Multi-Solar System Level)
Second End E= 4 * U * ((Er/Tr)2) = 43.4158e+42((4.1315e+16/6.957e+8)2) = 4.8186339e+58 Joules (Multi-Solar System Level)