<P> Lippershey 's application for a patent was mentioned at the end of a diplomatic report on an embassy to Holland from the Kingdom of Siam sent by the Siamese king Ekathotsarot : Ambassades du Roy de Siam envoyé à l'Excellence du Prince Maurice , arrivé à La Haye le 10 Septemb. 1608 ( Embassy of the King of Siam sent to his Excellency Prince Maurice , arrived at The Hague on 10 September 1608 ) . This report was issued in October 1608 and distributed across Europe , leading to experiments by other scientists , such as the Italian Paolo Sarpi , who received the report in November , and the English mathematician and astronomer Thomas Harriot , who used a six - powered telescope by the summer of 1609 to observe features on the moon . </P>
<P> Lippershey 's application for a patent was mentioned at the end of a diplomatic report on an embassy to Holland from the Kingdom of Siam sent by the Siamese king Ekathotsarot : Ambassades du Roy de Siam envoyé à l'Excellence du Prince Maurice , arrivé à La Haye le 10 Septemb. 1608 ( Embassy of the King of Siam sent to his Excellency Prince Maurice , arrived at The Hague on 10 September 1608 ) . This report was issued in October 1608 and distributed across Europe , leading to experiments by other scientists , such as the Italian Paolo Sarpi , who received the report in November , and the English mathematician and astronomer Thomas Harriot , who used a six - powered telescope by the summer of 1609 to observe features on the moon . </P>
when was the first telescope used to observe space
when was the first telescope used to observe space
1609
1609