The @NASAWebb Telescope will allow us to see out to 13 billion years of cosmic time! Join our experts live now as they discuss the infrared telescope’s recent cryogenic testing & next steps ahead of launch: https://www.nasa.gov/live Have questions? Use #askNASApic.twitter.com/GkVijFvv9L
The furthest galaxy seen so far is somewhere around 13.4 billion light years away. (i.e., its light has been traveling from it to us for 13.4 billion years, letting us see it as it was when light first left it 13.4 billion years ago.)
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Is that approximately how "old" the universe is?
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The universe is estimated to be around 13.8 billion years old.
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