The Hubble Deep Field: Looking Back In Time

The Hubble Space Telescope acts as a time machine, allowing us to see celestial objects as they were millions or billions of years ago. The Hubble Ultra-Deep Field image, taken over 400 orbits, revealed thousands of distant galaxies, changing our understanding of the universe. By comparing these galaxies with those closer to us, Hubble has shown that the universe has evolved significantly over time. The telescope's discoveries have transformed astronomy, with every textbook now reflecting its findings. Hubble has opened our eyes to a universe filled with galaxies, stars, and complex chemical compositions.

What discoveries have been made with the Hubble Space Telescope that have changed our understanding of the universe?

In what ways has the Hubble Space Telescope contributed to our knowledge of galaxies and their evolution?