one in the morning
In the meantime the projectile went with almost uniform speed round the lunar disc . It may be easily imagined that the travellers did not dream of taking a minute 's rest . A fresh landscape lay before their eyes every instant . About half-past one in the morning they caught a glimpse of the summit of another mountain . Barbicane consulted his map , and recognised Eratosthenes . It was a circular mountain 4,500 metres high , one of those amphitheatres so numerous upon the satellite . Barbicane informed his friends of Kepler 's singular opinion upon the formation of these circles .