Seriously, we figured out how to land on the Moon just a couple decades after inventing two-ply toilet paper. Mars’ gravity is less than Earth but large enough to lure gases and form an atmosphere. Stephen Hawking argued that space agencies should establish bases on the moon before traveling to Mars, according to Buzz Aldrin.

No matter where we go in the Solar System, it's going to be an enormous undertaking. This has big safety implications: Rescuing people from the moon would only take a …

Mars is also subject to winds and seasons, whereas the temperatures on the moon can vacillate between 253 degrees Fahrenheit and -387 degrees Fahrenheit in a single day.The moon’s lack of an atmosphere is the result of its paltry mass and weak gravity. We need to “sharpen up”, so let’s do something worthy of the effort, and something with the payoff equal to the effort put in. It’s so easy to get to the Moon that we’ve already done it, back before we had cell phones and internet. Mars has water, an atmosphere, and other resources that should allow us to live off the land. Nice, close, and accessible Moon. “We are not going to go to the moon or Mars because of population pressure,” he explained.

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But, we won’t know if a permanent presence is possible until we try. No matter where we go in the Solar System, it’s going to be an enormous undertaking. We should go back to the Moon, we should send humans to Mars, and we should explore Venus too. Should space agencies first go to the moon or Mars?

It's an ongoing debate in the space industry. In fact, since the moon is orbiting the Earth, we can go there pretty much whenever we want. We should go back to the moon, we should send humans to Mars, and we should explore Venus too.