In which publication and year did Galileo first disseminate his revolutionary telescopic findings?

Answer

Sidereus Nuncius in 1610

His findings, which laid the groundwork for modern astronomy, were published in his work titled *Sidereus Nuncius* (Starry Messenger) in 1610.

In which publication and year did Galileo first disseminate his revolutionary telescopic findings?
nameGalileo Galileiastronomytelescopeinstrument