From a distance, the exoplanet HD 189733b looks like the most reassuring thing in the sky: a deep bl...
SCIENCE
June 21, 2026
HD 189733b looks deep blue from space, almost Earth-like at first glance — but its colour comes not from oceans, but from silicate particles in a scorching atmosphere where glass may rain sideways through winds of thousands of kilometres an hour.
From a distance, the exoplanet HD 189733b looks like the most reassuring thing in the sky: a deep blue world, the same cobalt as Earth seen from orbit.
From a distance, the exoplanet HD 189733b looks like the most reassuring thing in the sky: a deep blue world, the same cobalt as Earth seen from orbit.
Author: Space Daily
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