[Drand] Scientific Fika – Friday October 14th 16:00 Room Mega – Ivelin: ‘Obler's paradox in Cosmic Reionisation’

[Nikki Arendse]

Dear Juniors,

It is my pleasure to announce this week's Scientific Fika. Join us on Friday the 14th of October at 16:00 for a great talk by Ivelin and delicious Swedish pastries.

Ivelin Georgiev

Obler's paradox in Cosmic Reionisation



Oblers’ paradox asks:

Why is the sky dark?


But we can also ask:

Why is the sky reionised?


During the Epoch of Reionisation, the first stars and galaxies were hard at work changing the phase space of the Universe: from neutral to ionised. But how do these sources of light (ionising radiation) perceive each other, and what lies betwixt and between them? In this talk, I will discuss the Epoch of Reionisation in the context of Oblers’ paradox and my own work and hopefully entertain you along the way!


Place: NORDITA Floor 6 - Room Mega (in-person only).
Address: AlbaNova University Center, Hannes Alfvéns väg 12
Please put this date in your calendar and come to discuss interesting science.

We're looking forward to seeing you!
Nadia, Guilherme and Nikki
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