Our progect will cost some money so if NASA were to use this idea it would cost about 98.7 billion dollers. This "Room of Fans" will cost that much because all the fans will cost about 19 billion. The walls will be sealed tight so then they could take their spacesuits off. This will be about 30.6 billion. The oxogyn tank so you van breath in their will be 1 billion for a 1 year suppliy of air if only one person were to use it every day. Then the solar pannels will be about 39.1 billion dollers that will give the whole Room. Finally the last payment shiping to mars 10 billion.