Another factor that would prevent us from taking off and launching with large-sized plants is weight. It is very expensive to launch a lot of weight into space. As a matter of fact, a $2 burger on Earth would cost you almost $3500 in space! That's because it currently costs $22,500 to launch one kilogram (or $10,000 per pound) into space. Instead of launching thousands of burgers for a long trip into space, astronauts and scientists are learning how to grow food for longer trips.

Entry 27: What is your weight on Earth? Can you calculate how much it would cost to send you into space? Record this in your Agronaut Log. Now, can you calculate how much you would weigh on the Moon?

Entry 28: What would you name the first colony on the Moon? What do you think the colony should make sure to take or to build? What would people in the colony do? Write a story about your colony and record this in your Agronaut Log.

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