ESOcast 224: First Interstellar Visitors to the Solar System

published 2 weeks ago by European Southern Observatory

In this ESOcast, we explore some of the many questions interstellar visitors 1I/'Oumuamua and 2I/Borisov have raised including: what are they made of? How did they form? Are they like the comets or asteroids in our Solar System? And finally, what can they reveal about other planetary systems?

resolution: 1280x720
size: 230.9MB
duration: 00:05:23

belongs to ESOcast HD
filed in Science

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