The moon is considered a relatively easy object to land humans on, everything else is much harder by orders of magnitude. It is the reason why we have not been to Mars and will likely never go there s...
All what we think and know is an illusion. Nothing exists. Everything is an opinion.
Our universe is a sorry little affair unless it has in it something for every age to investigate.
[an encounter in space] "Some celestial event. No--no words--no words to describe it. Poetry! They should have sent a poet. So beautiful. So beautiful...I had no idea. I had no idea.
From this distant vantage point, the Earth might not seem of particular interest. But for us, it's different. Consider again that dot. That's here, that's home, that's us. On it everyone you love, eve...