Planet Uranus Rings
ALMA recently imaged the rings around planet Uranus
One interesting observation:
"The rings of Uranus are compositionally different from Saturn's main ring, in the sense that in optical and infrared, the albedo is much lower: they are really dark, like charcoal,"
I should have added this excerpt:
Rings could be debris remaining from the time of formation 4.5 billion years ago.
I find it incredible these ring are unchanged in that span.
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