Screenshot of a tweet by @AstroKatie explaining the jets and magnetic field structure of pulsars. The pulsar itself is shown as a black basketball with narrow paper cones attached to the poles as jets. A second picture shows blue, lobed magnetic field lines. The text reads: "This is the classroom demonstration pulsar that I have built; look on it with cosmic wonder. (And read more about pulsars here: https://www.atnf.csiro.au/outreach/education/everyone/pulsars/index.html)"
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