Once it’s up and running, we expect the new Webb space telescope to send us back some pretty impressive space shots — but the photos of its construction have been unexpectedly delightful as well!

Images: NASA/Chris Gunn.

When it’s completed, it will be the most world’s most powerful space telescope ever built, but for now it’s still confined either to a giant thermal vacuum chamber (like you see pictured above) or to a clean room, as it’s painstakingly assembled, piece-by-piece. Check it out as it builds up!

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