A faint outer bubble, made mostly of hydrogen, marks an earlier period of material sloughed off. Closer to the center, a more complex cloud of mixed gases forms the "brain" inside the shell. Webb's instruments also show more dust glowing in mid-infrared light, while the near-infrared view lets background stars and even distant galaxies shine through.
"Aside from the personal toll on people with arthritis, the stakes are high for government who have an uphill challenge to bring down waiting lists to meet ambitious targets."
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