Embark on a cosmic journey in this 42-minute lecture by Dr Queenie Chan titled 'Messengers from Outer Space!' Explore the fascinating world of meteorites, from their origins to their impact on Earth. Discover the difference between meteorites and interplanetary dust, learn about fireball observations and meteorite recovery techniques, and delve into the various types of meteorites, including those from Mars. Uncover the secrets hidden within carbonaceous chondrites, including their carbon content and soluble organics. Gain insights into the isotopic composition of these celestial visitors and understand how studying meteorites can provide valuable information about life on Earth and beyond.
Overview
Syllabus
Intro
Today's talk
Weight of ex-terrestrial material fall each year
Meteorite vs Interplanetary dust
Weight of meteorite fall each day
Terminology
Meteorite falls
Fireball observation Meteorites recovery
Meteorites collected in Antarctica
Antarctic meteorites
Origins of meteorites
Martian meteorite
Types of meteorites
Carbon content of carbonaceous chondrites
Soluble organics detected in meteorites
Isotopic composition
Messengers from outer space: Is it a bird? Is it a plane? It's a meteorite!
Taught by
Earth Sciences at Royal Holloway
