Science
How the James Webb Space Telescope sees the universe's first galaxies
Webb looks in infrared, sits 1.5 million kilometres from Earth and keeps its instruments colder than anything around them. Here is why that combination matters.
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Monday, November 9, 2026
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Webb looks in infrared, sits 1.5 million kilometres from Earth and keeps its instruments colder than anything around them. Here is why that combination matters.
