Re: [Phys-L] first cosmic event observed in both gravitational waves and light

["Don" <dgpolvani@gmail.com>]

Thanks for the heads up and links.  Hadn't seen this yet.

Don
Dr. Donald Polvani
Adjunct Faculty, Physics, Retired
Anne Arundel Community College

> -----Original Message-----
> From: Phys-l [mailto:phys-l-bounces@mail.phys-l.org] On Behalf Of John
> Denker via Phys-l
> Sent: Monday, October 16, 2017 11:35 AM
> To: Forum for Physics Educators <Phys-L@Phys-L.org>
> Cc: John Denker <jsd@av8n.com>
> Subject: [Phys-L] first cosmic event observed in both gravitational waves and
> light
>
> In case you haven't already been bombarded by the news:
>    first cosmic event observed in both gravitational waves and light
>    https://www.ligo.caltech.edu/page/press-release-gw170817
>
> > Theorists have predicted that what follows the initial fireball is a
> > “kilonova” — a phenomenon by which the material that is left over from
> > the neutron star collision, which glows with light, is blown out of
> > the immediate region and far out into space. The new light-based
> > observations show that heavy elements, such as lead and gold, are
> > created in these collisions and subsequently distributed throughout
> > the universe.
>
> Here is some relatively-detailed explanations in nontechnical terms, not too
> bad, although I remain less-than-fond of "trampoline" analogies:
>   https://www.washingtonpost.com/news/speaking-of-
> science/wp/2017/10/16/scientists-detect-gravitational-waves-from-a-new-
> kind-of-nova-sparking-a-new-era-in-astronomy/
>   https://www.washingtonpost.com/news/speaking-of-
> science/wp/2017/10/16/gravitational-waves-neutron-stars-kilonovas-what-
> the-new-physics-announcement-means/
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