There is not in sight any source of energy that would be a fair start toward that which would be necessary to get us beyond the gravitative control of the earth.

- Forest Ray Moulton

Collection: SightCopy Quote

There is no theory that would guide us through interplantary space to another world even if we could control our departure from the earth; there is no means of carrying the large amount oxygen, water, and food that would be necessary for such a long journey; and there is not known way of easing our ether ship down on the surface of another world, if we could get there.

- Forest Ray Moulton

Collection: MeanCopy Quote

There is no hope for the fanciful idea of reaching the moon because of insurmountable barriers to escaping the earth's gravity

- Forest Ray Moulton

Collection: ScienceCopy Quote