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EVSN: Escape Velocity Space News

Feb 27, 2020

In today’s episode we learn about how the lucky train of events that delivered a rock from Vesta to scientists on Earth allows us to study volcanism on an asteroid. We also look at how melty silicate rocks of the past may have started Earth’s magnetic field early in our planet’s past. Although not a rock, we also talk about what we’re learning from a stunning new image of a planetary nebula.