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Mars Colony to Humanity = child to you.

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One idea developed at 3 different levels of depth and complexity. Level 1: TL;DR  Level 2: Abstract Level 3: The whole, detailed thing LEVEL I A Mars Colony to Humanity is like a child to you. LEVEL II If you are willing to spend 10+% of your time and resources raising your child, you should be extremely enthousiastic about colonizing Mars. How much would it cost to 'raise' Mars? LEVEL III Cost analysis of a Mars Colony - How much would it cost to 'raise' Mars?  Optimistic estimate: One standard number for the number of inhabitants of a self-sustaining, 'adult' colony is one Million people. One Starship can accomodate 100 people. Not accounting for deaths and births (assuming they will be approximately equal), that means 10 000 Starship flights for people only. These flights will have cargo, too , so let's assume that those 10 000 flights can deliver the seeds of sustainable life to Mars. This basically means that Starships will be mass p
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Defending space exploration

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Level I We see no aliens. This should worry us. We must fly away from Earth and learn to live on Mars before we commit technological suicide. Let's spend more on rockets! It actually pays for itself. Let's make future generations proud of us! Let's cherish Life and Human Civilization! Level II The Fermi Paradox: We can't detect any life anywhere in the Universe. This could mean that    1. We are the first ever civilization that achieved the technological level to connect with other life forms across the Galaxy.    In this case, the Great Filter is behind us, ie. it is extremely unlikely to become a technological civilization starting from mud. If this is the case, we should be immensely grateful that we have come so far and we should feel a sense of duty to sow the grain of conscious light across the rest of the Galaxy.    2. There has been multiple civilizations before us but they failed to reach the level of technologial progress necessary to commun
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