No; nothing might, could, would or should induce him to believe it, he repeated again and again.

But Barbican's pitiless logic left him no reply.
"No, dear friend, no.

We can reach the Moon only by a fall, and we don't fall.

Centripetal force keeps us at least for a while under the lunar influence, but centrifugal force drives us away irresistibly." These words were uttered in a tone that killed Ardan's last and fondest hope.
* * * * * The portion of the Moon they were now approaching was her northern hemisphere, found usually in the lower part of lunar maps.

The lens of a telescope, as is well known, gives only the inverted image of the object; therefore, when an upright image is required, an additional glass must be used.