Reels tagged #telescope
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Inventions
Galileo's telescope ended an ancient certainty
In 1609 Galileo turned a new Dutch spyglass to the sky and saw four moons orbiting Jupiter, proof that not everything circles the Earth.
Space
Webb observes from behind a giant sunshield
The James Webb Space Telescope's five-layer sunshield keeps its instruments extremely cold for infrared observations.
Space
Hubble circles Earth every 95 minutes
The Hubble Space Telescope travels around Earth at roughly 27,000 kilometres per hour.