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RT @NASAWebb: 👁️ I spy with my little eye...
...a 2014 Hubble portrait of the Helix Nebula! #NASAWebb scientists will use the observatory’s Mid-Infrared Instrument to determine the mass, temperature, & composition of the dusty disk surrounding this nebula's aging central star. https://t.co/kRqLGbSJbn
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