Telescopes are revolutionizing the field of astronomy in many ways. Here are a few examples:

1. Discovering new objects: With the help of telescopes, astronomers are constantly discovering new objects in space, from new planets orbiting distant stars to previously unknown galaxies and black holes. Telescopes are allowing us to explore the universe in unprecedented detail.
2. Observing distant objects: Telescopes are also allowing astronomers to observe objects that are extremely far away, giving us a glimpse into the earliest moments of the universe. The Hubble Space Telescope, for example, has allowed us to see back billions of years in time to the early universe when galaxies were just beginning to form.
3. Improved understanding of known objects: Telescopes are also helping us to better understand objects that we already know about, such as the planets in our own solar system. The use of telescopes has allowed us to study the surface features of these planets, their atmospheres, and even their moons, giving us a better understanding of our own cosmic neighborhood.
4. Advancements in technology: The development of new telescope technologies has also changed the field of astronomy. For example, the use of adaptive optics has allowed telescopes to correct for atmospheric distortion, resulting in much clearer images. In addition, the development of large, ground-based telescopes and space-based observatories has allowed for even more detailed and comprehensive observations of the universe.

Overall, telescopes are playing a critical role in advancing our understanding of the universe and helping us to answer some of the most fundamental questions about our place in the cosmos.