Scientists have discovered the color of a distant planet, revealing that it looks a lot like our blue home.
Called HD 189733b is 63 lightyears from Earth and is a "deep cobalt blue." Despite its beautiful color and seeming similarity to our planet, the distant world is very volatile with raging storms of glass rain and hot temperatures.
They were able to discover the planet's color by observing it from the Hubble Space Telescope. Scientists believe it is a "hot Jupiter," made mostly of gas. It orbits close to its star and takes just 2.2 Earth days to travel fully around its star.
"This planet has been studied well in the past, both by ourselves and other teams," Frederic Pont of the University of Exeter said. "But measuring its color is a real first - we can actually imagine what this planet would look like if we were able to look at it directly."
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"It's difficult to know exactly what causes the color of a planet's atmosphere, even for planets in the solar system. But these new observations add another piece to the puzzle over the nature and atmosphere of HD 189733b. We are slowly painting a more complete picture of this exotic planet."
They could uncover the planet's color by measuring the light that reflected off its surface.
"We saw the brightness of the whole system drop in the blue part of the spectrum when the planet passed behind its star," Tom Evans of the University of Oxford said. "From this, we can gather that the planet is blue, because the signal remained constant at the other colors we measured."