A cosmic time machine: how the James Webb Space Telescope lets us see the first galaxies in the universe - The Conversation
7/17/2022 12:00:00 AM2 years 9 months ago
by Sara Webb
by Sara Webb
Why is the universe 13.8 billion years old, but 93 billion light-years across? It’s all about how light travels through the cosmos.
It has been an exciting week with the release of breathtaking photos of our Universe by the James Webb Space Telescope (JWST). Images such as the one below give us a chance to see faint distant galax… [+5483 chars]
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