When the Cassini spacecraft took a 2013 image from above Saturn’s pole, its rings didn’t intersect the planet. In the same Cassini image, but with Saturn’s rings edited out, the planet loses some of its luster.
2024-04-15 词
Thankfully, at some point in the past 4.5 billion years, the cosmos gave Earth’s neighborhood an upgrade: It put a big, bright, icy ring system around Saturn. But scientists don’t agree on when Saturn’s rings formed—or how the bangles even came to be. And that’s been true for decades. In a twist, it turns out that the genesis of one of the solar system’s iconic features is still an unsolved mystery.
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