VALLES MARINERIS, MARS - Mars' own Grand Canyon, Valles Marineris, is shown on the surface of the planet in this composite image made aboard NASA's Mars Odyssey spacecraft. The image was taken from a video featuring high-resolution images from Arizona State University's Thermal Emission Imaging System multi-band camera on board the spacecraft.
Dinner on Mars? Two food security experts imagine what it would take to feed a human colony on Mars in the year 2080 if we colonized the red planet. Their research offers lessons on how to improve our battered food systems here on Earth.
As I recall, Lenore, I started texting you and , 'I think interesting things are happening, but I'm really bored and I'm scared. What do you think?' And one text every other day led to 30 or 40 texts an hour, and led to a conversation that was essentially, 'well, we can't travel anywhere physically, but maybe there's somewhere we can go to in our imagination.
Evan, if you don't mind, paint a picture of how inefficient the global system is now for creating food.So right now, we've got a very paradoxical situation at the level of food security. We have this weird world where both the number of hungry and the number of obese people are rising on the planet. So that's a crazy statistic in and of itself.
There's carbon dioxide in the atmosphere. There's way too much solar radiation, but not enough solar energy because Mars is a lot farther from the sun than Earth, so there's less warmth there. So it gets really cold and you don't have what's called heat units that plants need to flourish. But you've got punishing solar radiation because it doesn't really have a strong atmosphere that gets rid of the radiation. So you've got these wild swings in temperatures.
I think one of the catalysts for this for me was Elon Musk and his discussion of a city on Mars kind of brushed aside the food. Evan and I knew that it was actually a big question because you can't send food to Mars. It's simply too far. You can't get takeout.
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