What will happen if you think about the construction cost and operation cost of "Death Star" according to reality

The movie "Star Wars" that appeared in "Death Star"Is the ultimate weapon of the Galactic Empire Army equipped with a super laser cannon that crushes with a single blow if it is a planet of the earth size. As of now, none of the countries are planning to build Death Star, but how much money and materials are needed if you actually make it, and how much it costs to operate The summarized video is released.

How Much Would it Cost to Build a Real-Life Death Star? - YouTube


The US military spends a very expensive budget and procures equipment. For example, a stealth bomber "B-2"Is $ 2.4 billion per machine (about 254 billion yen).


Virginia-class nuclear submarineIs about $ 2.5 billion (about 264 billion yen)


aircraft carrierGerald R. FordIs about 13 billion US dollars (about 1.37 trillion yen)


However, this is a story limited only to weapons deployed on the earth. If you go into space, you need more expensive weapons. The representative is "Death Star".


Volunteers have petitioned building Death Star in America during the Obama administration. At this time the US government "can not approve of blowing off the planet,Single seatWe can not pour taxes on weapons with major flaws that could be destroyed by aircraft attacks, "officially announcing a statement to dismiss the construction.

This Is not the Petition Response You Looking For | We the People: Your Voice in Our Government
https://petitions.whitehouse.gov/petition/secure-resources-and-funding-and-begin-construction-death-star-2016


Calculation of the cost of construction has already been tried, and in 2012Lehigh UniversityAccording to students' studies, "It costs only 85 K ~ 2000 trillion dollars just for the iron material used(About 9010 Kyoto) "It was a story.


After that, in the calculation by the British electric utility company, we found that the operating expenses of Death Star will rise to 7800 dollars a day (about 82 thousand yen 4500 yen). "