Why don’t we see the hidden face of the moon? Is this because the moon rotation is perfectly synchronized with Earth?

You are correct. The moon is synchronized with Earth, although not perfectly. There is a wobble which I’ll show you below. The “face on the moon” means that some people see what looks like a face on the side of the moon we can see. It’s not on the far side, but the side we... Continue Reading →

Given that NASA has landed on the Moon, why did they not put some plants on the lunar surface?

Wow. What would have happened if astronauts had brought plants to the moon? Surely by now the moon would be green! Here I always thought the thing was made of blue cheese. You must know from the other answers that there’s no air on the moon and plants need air to survive just like you do. Another... Continue Reading →

Which is more difficult to achieve 100 years from now, building a giant telescope to directly observe other planets in a distant Galaxy or building a faster than light space ship?

Faster than light speed will never be possible, ever. The best you’ll be able to do is maybe 1/10th the speed of light given an enormous amount of propellant, and then you’ll have to slow down at the end of the trip using just as much fuel as it took you to go that fast in the... Continue Reading →

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