Episode list

David Butler

Classroom Aid - NGC 248
NGC 248 is an emission nebula in the Small Magellenic Cloud. It glows brightly red from ionized hydrogen untinted by the spectra of other elements since the SMG has low metallicity.
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Classroom Aid - NGC 2276
NGC 2276 is a spiral galaxy but it's central bulge is off center. This asymmetry is thought to be caused by the gravitational influence of nearby lenticular galaxy NGC 2300.
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