Three big moons crossed its surface at the same time. The moons’ shadows also tracked over Jupiter’s swirling surface.
From the perspective of people theoretically standing down on Jupiter, it would be like three solar eclipses happening at once, astronomers said.
A photo gift
In the last 15 years, this has happened only twice, the Space Telescope Science Institute said. “The next one will be 2032,” said astronomer Carol Christian.
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Life on Europa?
Europa is in the spotlight of space explorers, because they think there may be life in the fluid water underneath its surface of solid ice.
If it is found there, this would be the first discovery of life in our solar system aside from that on Earth.
