Achieve Quote by Fritz Zwicky

Once solved, the severe handicaps imposed on space exploration by the weight and chemical limitations of rockets would no longer apply. The whole timetable…

— Donald A. Wollheim

While human space travel is daunting, machines - with their indefinitely long lifetimes - could travel the galaxy. It might make little difference to…

— Seth Shostak

There is no theory that would guide us through interplantary space to another world even if we could control our departure from the earth;…

— Forest Ray Moulton

For the first time in history, we have the chance to change the path of a celestial body. Let's realize what we're talking about…

— Rusty Schweickart

With every inch of land on Earth now catalogued by our satellites, the stars are the next place we as a species must travel.…

— Ben Parr

Yet another proposal would have us rocket the waste into the sun, but, as you're probably aware, about one in ten of our space…

— David R. Brower

Pick a flower on Earth and you move the farthest star.

— Paul Dirac

It is fantastic to think that one day we may be able to access fuel, materials and even water in space instead of digging…

— Rusty Schweickart

I hope that vigorous space exploration continues and that humankind will have a space station that resides between Earth and the moon. Outside the…

— Debra Fischer

I used to be a strong believer that we would eventually colonize the solar system the way it's been done in science fiction many,…

— Alastair Reynolds

It's feasible that we'll meet other sentient life forms and conduct commerce with them. We don't now have the technology to physically travel outside…

— Dimitar Sasselov

If we continue to develop our space program we can take solar energy and convert it to electrical energy by beaming it back to…

— Jack Swigert