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SUMMARY:Eddington Lecture: A chemical survey of planets in our galaxy - Gi
 ovanna Tinetti (UCL)
DTSTART:20220210T160000Z
DTEND:20220210T170000Z
UID:TALK169532@talks.cam.ac.uk
CONTACT:Dr Annelies Mortier
DESCRIPTION:The Earth is special to us: it’s our home. But is it really 
 special as a planet? Every star we can see in the night sky is likely to b
 e orbited by planets\, so that there probably are a thousand billion plane
 ts in our galaxy alone. \n\nSince the discovery of the first “exoplanet
 ” about thirty years ago\, about 5000 exoplanets have been discovered in
  distant solar systems\, with many surprising planets and planetary system
 s\, often very different from our own. A suite of ground-based and space t
 elescopes are currently in operation or will be launched within this decad
 e to discover more exciting planets and unveil their nature: what are they
  made of? How did they form? What’s the weather like there? Are they hab
 itable?\n\nThe Ariel space telescope\, to be launched in 2029 as part of t
 he ESA Science Programme\, is the first mission dedicated to the determina
 tion of the chemical composition of hundreds of exoplanets\, enabling plan
 etary science far beyond the boundaries of the Solar System. \n\nFinding o
 ut why are these new worlds as they are and what is the Earth’s place in
  our galaxy and –ultimately– in the universe\, is one of the key chall
 enges of modern astrophysics. The Ariel mission will bring a fundamental c
 ontribution to addressing this challenge\, as I will illustrate in my talk
 .
LOCATION:Sackler (sign-up needed) + ONLINE - Details will be sent by email
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