Reform of the date of Easter was to be the Sunday after the midnight-to-midnight day at the meridian of the Church of the Holy Sepulchre in Jerusalem (35° 13′ 47.2″ E or UT + 2 20 55 for the small dome) during which the first full moon after the vernal equinox occurs. Although the instant of the full moon must occur after the instant of the vernal equinox, it may occur on the same day. If the full moon occurs on a Sunday, Easter is the following Sunday. This proposed astronomical rule was rejected by all Orthodox churches and was never considered by any Western church.
From the Earth to the Moon problem of surviving the incredible acceleration that the explosion would cause. Ardan suggests that Barbicane and Nicholl travel with him in the projectile, and the offer is accepted. In the end, the projectile is successfully launched, but the destinies of the three astronauts are left inconclusive. The sequel, "Around the Moon", deals with what happens to the three men in their travel from the earth to the moon. The novel was adapted as the opera "Le voyage dans la lune" in 1875, with music by Jacques Offenbach. In 1880 the Pall Mall Gazette described Verne’s "Columbiad" as a ‘space-ship’ -