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On July 1, Johann-Dietrich Wörner will become the new general director of the European Space Agency. SPIEGEL speaks with him about his dream of building a colony on the moon and the difficulties of traveling to Mars.
SPIEGEL: Which celestial body would you like to travel to most of all?
Wörner: My dream would be to fly to the moon and build permanent structures, using the raw materials available there. For instance, regolith, or moon dust, could be used to make a form of concrete. Using 3-D printers, we could build all kinds of things with that moon concrete -- houses, streets and observatories, for example.
SPIEGEL: The only question is how you intend to transport European astronauts into space in the future. Currently, you are completely dependent on Russian Soyuz capsules. If relations with Russia continue to worsen, it could jeopardize joint flights.
Wörner: Russia is and remains an extremely reliable partner for us. Even in the Cold War, space travel helped ease political tensions. Just think of the famous rendezvous maneuver in the summer of 1975, when an American Apollo spaceship and a Soviet Soyuz spaceship docked while orbiting the earth. And today, we space travellers can once again help overcome the current period of crisis.
[...] SPIEGEL: Shouldn't we Europeans be capable of taking people into space without outside help?
Wörner: Unfortunately, we missed a number of opportunities. For instance, it would have been possible to convert the ATV cargo spacecraft into a manned spaceship. We should have done more with that.
SPIEGEL: What caused the project to fail?
Wörner: Money, as is so often the case in life. Every nation wants to shoot astronauts into space and toot its own horn for doing so. However, there is only limited enthusiasm among the ESA member states to pay for manned space travel. But perhaps there will be new opportunities at some point. I'm not giving up hope that we Europeans will create our own manned access to orbit.
Can we make it to the stars without national prestige being the goal?
Original Submission
(Score: 2) by GreatAuntAnesthesia on Tuesday June 23 2015, @09:10AM
Many, if not all of those questions would be answered by this: https://en.wikipedia.org/wiki/Giant_impact_hypothesis [wikipedia.org]
One of the bulletpoints in your list points mentions a number of competing theories about the moon's formation, and the Giant Impact Hypothesis is not among them, which suggests that your list was compiled before the hypothesis was formed.