Kepler responded enthusiastically with a short published reply , Dissertatio cum Nuncio Sidereo ( Conversation with the Starry Messenger ) .
Upon publishing his account as Sidereus Nuncius ( Starry Messenger ) , Galileo sought the opinion of Kepler , in part to bolster the credibility of his observations .
Kepler responded enthusiastically with a short published reply , Dissertatio cum Nuncio Sidereo ( Starry Messenger         ) .
Upon publishing his account as Sidereus Nuncius ( Starry Messenger ) , Galileo sought the opinion of Kepler , in part to bolster the credibility of his observations .