Hubble Space Telescope
The Hubble Space Telescope (HST) is a space-based observatory launched into low Earth orbit in 1990. It remains one of the most important tools in modern astronomy, providing high-resolution images across the ultraviolet, visible, and near-infrared spectra.
Deep Field Observations
Hubble’s legacy is heavily defined by its “Deep Field” programs, which involve staring at seemingly empty patches of sky for extended periods to capture light from the most distant galaxies.
- Hubble Deep Field (HDF): First major deep field observation that revealed thousands of previously unseen galaxies, fundamentally changing our understanding of the early universe.
- Hubble Ultra Deep Field (HUDF): An even deeper exposure that pushed the limits of visible light astronomy, showing galaxies formed just a few hundred million years after the Big Bang.
- James Webb’s 100-Hour Deep Field: Recent observations by the james-webb-space-telescope (JWST) in the Fornax constellation have built upon Hubble’s work. These 100-hour exposures unveil distant galaxies in regions previously thought to be empty, providing complementary data to Hubble’s visible-light findings. See James Webb’s 100-Hour Deep Field: Unveiling Distant Galaxies in Fornax for detailed analysis of these recent discoveries.
Key Contributions
- Hubble Constant: Helped refine the rate of expansion of the universe.
- Exoplanet Atmospheres: First to analyze the atmospheres of planets outside our solar system.
- Galaxy Evolution: Provided evidence for the co-evolution of galaxies and their central supermassive black holes.