Who first used a telescope for astronomy? By Rabia Anum 🌐 Source Astronomy Knowledge Base ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 13 Aug 2026 A. Copernicus B. Newton C. Galileo Galilei D. Kepler Check Answer 💡 Explanation: Galileo's telescopic observations provided evidence for the heliocentric model. 📚 Topics: Astronomy Science 🎯 Exams: CSS GEN NTS PMS