Cost of a very large telescope?

so people can blast the stareo

The telescope was invented first in 1608.

"Very large" is just to vague of a question. There are too many factors to consider other than the size of the pool such as: Exactly how large, how many gallons of water? What part of the...

Supercomputers

That is because reflecting telescopes will have a greater magnification in a smaller space. Refracting telescopes that magnify to the same degree as reflecting telescopes would be much larger than...