Astronomy Talk: First Light in the Universe, The End of the Cosmic Dark Ages

Astronomy Talk: First Light in the Universe, The End of the Cosmic Dark Ages

Thursday June 19, 2014
07:00 pm - 08:00 pm

In the first several hundred million years after the Big Bang, the Universe was too hot for stars and galaxies to form. As the Universe cooled and its expansion slowed, gravity caused the first stars to collapse and re-light the Universe. Most theories suggest these first stars were unusual super-massive objects that evolved quickly and ended their lives in gigantic explosions. In this talk, Dr. Michael Bolte from UC Santa Cruz will discuss observations from Keck Observatory that identify the physical properties of the first stars based on the chemical elements they produced as they ended their lives.

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UCLA observers will work with MOSFIRE tonight. And UCI/UCB observers will work with NIRC2-LGS/NIRC2-NGS. Sun set 05:59:00pm rise 06:12:00am
Observers from UCR will use MOSFIRE on Keck 1, while on Keck 2, UCI observers will use DEIMOS. Sun set 06:00:00pm rise 06:12:00am
On Keck 1, we have UCR observers using LRIS-ADC. On Keck 2, we have Swinburne observers using ESI. Sun set 06:00:00pm rise 06:11:00am
CIT observers will use LRISP-ADC on Keck 1, and UCSC observers will use ESI on Keck 2 tonight. Sun set 06:01:00pm rise 06:11:00am
Our guests tonight are observers from UCSC and Swinburne, using LRISP-ADC and DEIMOS respectively. Sun set 06:02:00pm rise 06:10:00am