Webb image archive
Unknown Era: The First Galaxies
Though we have seen far back in time thanks to powerful telescopes like Hubble, questions remain about the very first galaxies to form in the universe. NASA’s James Webb Space T...
- Date
- Dec 13, 2023
- Observatory
- James Webb Space Telescope
- Credit
- NASA / ESA / CSA / STScI
- Archive ID
- 01F3QS47EB0PCE3J7YQHNS3RH7
Though we have seen far back in time thanks to powerful telescopes like Hubble, questions remain about the very first galaxies to form in the universe. NASA’s James Webb Space Telescope will push the boundaries of what is observable in the universe farther back in time and space, detecting light emitted by the earliest galaxies more than 13 billion years ago. As that light has travelled through space, it has been stretched to longer, redder wavelengths by the expansion of the universe; this is one reason why Webb is equipped with infrared-detecting instruments. This capability, combined with unprecedented resolution and sensitivity, will allow Webb to take us farther than ever in answering our questions about the early eras of our universe.
Credits
Image
NASA, ESA, CSA, Dani Player (STScI)