Did we “accidentally” bring new bacteria to the moon or Mars via our space exploration programs?

Probably, and that’s why terraforming is a bad idea. Inside the scientifically minded community, there are two distinct ideas. Don’t contaminate. Leave whatever planet it happens to be in the original prestine condition so we can study it. (This is the predominant, tree hugging concept.) Screw number 1. Terraform the planet. Make it livable for humans,... Continue Reading →

Why would anyone want to live on Mars?

Although, scientifically, we could do as much or more with our rovers, robots and probes than manned space travel, and we can and do it cheaper and safer than manned space travel with our probes and rovers, people will still go to Mars. Why? Well, I suppose it’s the same reason people went to North... Continue Reading →

Why do you want to go to Mars?

I don’t want to move to Mars. It’s a very dangerous environment, you’d be indoors all the time or else wearing a spacesuit for short adventures outdoors. I don’t even think it’s advantageous for humans to go to Mars at all when we could just as well, and for much less expense, send our probes... Continue Reading →

How close are we to commercialising space travel? 

We have already commercialized space travel. Private companies are now being paid to resupply the International Space Station on a regular basis, and commercial companies are hiring SpaceX, another commercial company, to place satellites into orbit.

If aliens in our galaxy are exponentially super advanced, why have they not completely colonized the entire Milky Way by now?

Well, let’s not put the cart before the horse. Right now we don’t know for sure that any life exists anywhere other than Earth. We suppose it does by mathematical calculations, but we haven’t even found a fossil of a microbe from space. Secondly, suppose there is some super advanced civilization (your use of “exponentially”... Continue Reading →

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