Recent comments in /f/space

SirBolaxa t1_j5ojznv wrote

Reply to How many years do you think we have until space travel? Something like cowboy bebop by Aware_Ad2047

In order to fly around the universe you either need a self sustain vehicle that somehow allows you to produce or grow food indefinitely or you need to get to places that could allow you that or you had to always return earth and to me any of this possibilities are way way way too far in the future, well further than 400 years.

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gwizone t1_j5ojyn7 wrote

Reply to How many years do you think we have until space travel? Something like cowboy bebop by Aware_Ad2047

Travel between planetary bodies is painfully slow. Maybe 20-30 years we will have tourism between low earth orbit and the moon. I mean, like airplane fare level not “I’m richer than you” travel. Between mars and the gas giants will probably be another 50-60 years when we start mining asteroids and gasses like helium and such. We will still be using fuels like now, only we will be making fuel in space and working in orbit, but this most likely be automated and controlled by humans on earth/moon/mars.

Cowboy Bebop, things like terraforming and artificial gravity, etc. who knows. Science Fiction has surprisingly caught up with science in many elements of the genre. But man, I’d say maybe 400 years is a little optimistic but also possible with the way tech is moving.

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ferrel_hadley t1_j5ojihs wrote

Reply to How many years do you think we have until space travel? Something like cowboy bebop by Aware_Ad2047

The best depiction of futuristic space travel would be something like The Expanse that shows a drive that allows huge acceleration for long periods. The problem is there is no real mechanism for it in theory yet. The best theoretical drives we can envisage is something like Project Daedalus that used a steady pulse of small nuclear explosions. The most realistic non rocket system would be nuclear.

So we do not have a physical theory as to how to travel like light Sci fi shows.

But its like asking people who travelled in carriages about what flying would be like. They might come up with winged horses rather than the simple idea like a turbine jet engine.

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Thatingles t1_j5odlsi wrote

Reply to Arrakhis: The tiny satellite aiming to reveal what dark matter is made of | "The European Space Agency (ESA) recently announced a new mission of its science program: a small telescope orbiting the Earth dubbed Arrakhis." by Tao_Dragon

What is the connection between dark matter & Dune? Is dark matter spicy? If I inhale too much dark matter do I gain psychic powers? Or is it like sand; coarse, irritating and gets everywhere?

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