Overview
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Explore the enigmatic interstellar object 'Oumuamua in this captivating lecture by Amaya Moro-Martin from the Space Telescope Science Institute. Delve into the groundbreaking 2017 discovery that transformed astronomers' understanding of interstellar visitors. Examine the observations made by various telescopes, uncovering the object's mysterious brightness and trajectory. Investigate the puzzling non-gravitational acceleration in 'Oumuamua's unbound orbit and contemplate its possible origins and composition. Learn about the formation of planetary systems, the ejection of objects into interstellar space, and the implications for our galaxy. Discover the connection between 'Oumuamua and topics such as black holes, comets, and the Vera Rubin Observatory. Explore concepts like radiation pressure, fractal structure, and cosmic dust bunnies. Consider the potential of interstellar objects as seeds for life and ponder the fragility of 'Oumuamua. Gain insights into the second detected interstellar interloper and the broader implications for our understanding of the cosmos.
Syllabus
Introduction
Black Holes
Comets
Speaker
Oumuamua
Vera Rubin Observatory
Comet Holly
Brightness Variation
Factor of Time
Radiation Pressure
Solar Photons
Fractal Structure
How Stars Are Born
Planetary Formation
Cosmic Dust Bunnies
Desiccated Object
Cosmic Hydrogen Iceberg
Tidal Disruption
Second Interstellar Interloper
Detected
Size
Origin
Ejection
Interstellar Encounters
Interstellar Environments
Seeds for Life
Light
Questions
How fragile is Oumuamua
Taught by
Hubble Space Telescope