From Newsgroup: talk.origins


https://www.space.com/astronomy/asteroids/interstellar-invader-comet-3i-atlas-is-packed-with-water-ice-that-could-be-older-than-earth

A team of scientists has found the recently
discovered "interstellar invader" comet 3I/ATLAS
is teeming with water ice. This water could have
been sealed in the comet for 7 billion years,
which would make it older than the solar system
itself.

The team also found a mixture of organic
molecules, silicates and carbon based minerals on
the object, meaning 3I/ATLAS resembles asteroids
found at the outskirts of the solar system's main
asteroid belt between Mars and Jupiter.
...
"Its reflectance properties are most similar to
D-type asteroids and some active comets," Yang
said. "The spectrum of 3I/ATLAS can be matched
by a combination of Tagish Lake meteorite
material and water ice. This suggests a mixture
of organics, silicates, carbonate minerals and a
significant amount of water ice."
...

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