Date sent: 6 December 2017, 13:48

From: Bruce Elmegreen (

Subject: IAU Symposium 345 on "Origins: From the Protosun to the First Steps of Life"

Dear members of Division H,

Registration is open for IAU Symposium 345, ​"Origins: From the Protosun to the First Steps of Life", co-organized by Divisions F and H.

The symposium will be held during the first week of the IAU General Assembly in Vienna, August 20-23, 2018.

Topics include:

- star formation in the solar neighborhood
- star formation in cloud cores
- early environment of the pre-solar nebula
- formation and evolution of protoplanetary disks
- physical and chemical properties of protoplanetary disks
- formation of Earth and Earth-like planets
- early planetary atmospheres and surfaces
- early conditions on the Earth
- Earth-like planets
- ​Early life on earth

​More details and a list of invited speakers can be found on ​the symposium website

Registration for the General Assembly and IAUS345 is here:

The deadline for early-bird registration at a reduced rate is January 31st, 2018. Abstracts and applications for travel grants are due February 28th. Regular registration ends June 30th. (Travel grantees who register after the early-bird date will get the early-bird rate.)

A poster for your department bulletin board is attached.

We hope to see you there!

The organizing committee,

Bruce Elmegreen,
Viktor Toth,
Manuel Guedel,
Nader Haghighipour



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