A Quote by Donald A. Wollheim

While the circumnavigation of the solar system seems farfetched, it may not be once the problem of effective anti-gravitational control is solved. — © Donald A. Wollheim
While the circumnavigation of the solar system seems farfetched, it may not be once the problem of effective anti-gravitational control is solved.
Despite the immense distance between our own solar system (including the earth) and the nearest other solar systems, a journey from one system to another is theoretically possible, once an unlimited source of power is developed.
While the Copernican principle comes with no guarantees that it will forever guide us to cosmic truths, it's worked quite well so far: not only is Earth not in the center of the solar system, but the solar system is not in the center of the Milky Way galaxy, the Milky Way galaxy is not in the center of the universe, and it may come to pass that our universe is just one of many that comprise a multiverse. And in case you're one of those people who thinks that the edge may be a special place, we are not at the edge of anything either.
Donald Trump's ego is like a comet the size of Jupiter just traveling through the solar system, and we all have to be affected by its gravitational pull.
When we get out to other planets in the solar system, we'll use the gravitational pull of each planet to help launch us to the next.
Homeowners want solar power. It's cost-effective. We invented a business model that makes it really easy for consumers to switch to solar - and that's solar-as-a-service.
Parents are the centre of a person's solar system, even as an adult. My dad had a stronger gravitational pull than most, so his absence was bound to leave a deep and lasting void.
Many, and some of the most pressing, of our terrestrial problems can be solved only by going into space. Long before it was a vanishing commodity, the wilderness as the preservation of the world was proclaimed by Thoreau. In the new wilderness of the Solar System may lie the future preservation of mankind.
No one planet can tell us everything about the universe, but Neptune seems to hold more than its share of information about the formation of our own solar system - as well as the solar systems beyond.
Once solved, the severe handicaps imposed on space exploration by the weight and chemical limitations of rockets would no longer apply. The whole timetable of our conquest of the planets in our solar system would be tremendously speeded up, from hot Mercury all the way out to frigid Pluto.
The Moon and Mars were the two most likely candidates for life in the solar system; what exists beyond our solar system is mere guesswork.
Becoming carbon neutral is only the beginning. The climate problem will not be solved by one company reducing its emissions to zero, and it won't be solved by one government acting alone. The climate problem will not be solved without mass participation by the general public in countries around the globe.
Small bodies in our solar system, like comets and asteroids, help us understand how the solar system formed and provide opportunities to advance exploration.
If a problem has no solution, it may not be a problem, but a fact - not to be solved, but to be coped with over time.
I hope that vigorous space exploration continues and that humankind will have a space station that resides between Earth and the moon. Outside the gravitational field of Earth, we could launch robotic spacecraft to other destinations in our solar system.
A problem adequately stated is a problem solved theoretically and immediately, and therefore subsequently to be solved, realistically.
If the problem can be solved why worry? If the problem cannot be solved worrying will do you no good.
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