Which invention greatly impacted the advancement of telescope technology?

The invention of reflective mirror techniques had a significant impact on the advancement of telescope technology. This method, which involves the use of mirrors to gather and focus light, allows for larger and more powerful telescopes. Reflective telescopes, such as those designed by Isaac Newton, can be built with larger apertures than refractive telescopes that use lenses, thereby improving light-gathering capability and minimizing optical aberrations. This innovation enabled astronomers to observe celestial objects with greater clarity and detail, revolutionizing our understanding of the universe. The ability to construct larger telescopes with mirrors instead of lenses opened new avenues for astronomical exploration and discovery.