The Islamic empire achieved many achievements and innovations that had a great impact on the world. One of these innovations was the astrolabe. The astrolabe is an ancient astronomical device originating in Greece but significantly improved and modified by the Islamic empire. It had some short-term impacts on the Islamic empire. They used it to indicate the direction of Mecca, the times of prayers and for calculating the months in the lunar calendar. The astrolabe also had some long-term effects on the world a few centuries later. Derived from Islamic astrolabes, the sailor's astrolabe was made and was a very common tool used during the age of exploration around 1400. The astrolabe was very important in the Islamic empire starting in the 8th century and continued to be so until to the 15th century in Europe. The astrolabe is a very ancient astronomical device originating in Greece but significantly modified by the Islamic empire. The astrolabe is used to show what the sky looks like in a specific place at a given time. To actually use the astrolabe you need to adjust the moving elements to a specific date and time. Once set, most of the sky appears on the instrument dial. This allows you to solve many astronomical problems in a very visual way. The astrolabe can be used in different ways for different purposes. Some of the common uses of the astrolabe are finding the time during the day or night, finding the time of a celestial event such as sunrise or sunset, determining prayer times, and as a handy reference of celestial positions. The first astrolabe was attributed to the Greek astronomer and mathematician Hipparchus around 200 BC Muslim scholars were introduced to the astrolabe in the middle of the paper......150 years. The astrolabe really helped in the age of exploration and had a good impact on early modern history. The astrolabe had short-term impacts on the Islamic empire around the 8th century and long-term impacts on Europe around the 14th century. The astrolabe was a very important innovation and helped the Islamic Empire and the world a lot. The Islamic empire used it to indicate the direction of Mecca, prayer times and to calculate the months in the lunar calendar. In Europe, starting from the 15th century, the sailor's astrolabe was created, a very common instrument used in exploration. The astrolabe originated in ancient Greece and was improved and modified by the Islamic empire and then Europe in early modern history. The astrolabe was a very important innovation that had a great impact on the Islamic empire and early modern history.