1. Bill Baylis UU Olinda May 27, 2018
Cosmic Connections
Bill Baylis
UU Olinda
May 27, 2018

2. Brief Outline
Astronomy is a portal to understanding our origins and future
Beauty; images Nature’s Art
Places us in Universe, time and space
Humbling and awe-inspiring
Addresses curiosity about origins of matter, life
The Cosmos is mind-bogglingly vast and varied
Yet we are connected to it in surprising ways
It deserves our attention, wonder, and awe!
Background CASC conference and talk on “Enhancing Canada’s Science Culture” with Ivan Semeniuk and John Percy, Prof. Emeritus, UT Astronomy.
Also design ideas from St. Clair College Teams

3. Pyramids of Giza, ca. 4600 yrs ago

4. Stone Henge, ca yrs ago

5. Gøbekli Tepe, SE Turkey, ca. 11,000 yrs ago (before pottery!)

6. More Gøbekli Tepe

7. More Gøbekli Tepe images

8. Gøbekli Tepe Excavations

9. Vulture Stone at Gøbekli Tepe
Records comet strike that caused Younger Dryas ca. 13,000 yrs ago?

10. Evidence comet or asteroid strike caused Younger Dryas period
Pt levels increased by factor of 100
Pt/Al ratio very high (so origin not terrestrial)
(Publication August 2013, Phys. Org. report.)

11. Nuclearsynthesis of the Elements

12. Nuclearsynthesis in Stars

13. Galileo( 1564-1642) Made a crude telescope
and observed Sun, Moon, Venus, Jupiter, the Milky Way,...

14. Stellar Mass by Grav. Lensing
June 7, 2017: mass of white dwarf measured directly for first time. Dwarf Stein 2051B, 18 LY from Earth, has a mass 68% of the solar mass. Next:
Red dwarf
proxima
Centauri, 4.25
LY distant.

15. Gravitational Waves: new ear on the Universe!
Third black-hole merger seen by LIGO, on Jan 4, 2017, confirmed June 1, 2017:  49 Msolar in sphere of 270 km radius (1 radiated), 3 GLY distant.
First detection Oct 2015:
2nd detection Dec 26, 2015.
Spins not aligned.

16. LIGO: Laser Interferometer Gravitational-Wave Observatory
The general locations of the LIGO Hanford and LIGO Livingston interferometers. (Credit: Caltech/MIT/LIGO Lab)
Add Virgo in Italy for full triangulation and source location. Able to discriminate mirror displacements of 0.01% of proton radius!

17. Extreme Optical Interferometry
LIGO interferometer
FabryPerot cavities:
~280 reflections
~1120 km arms
Sensitivity limit ~ m
(proton radius ~ m)

18. N-Star Collision

19. Quantum Entanglement in Space: China 2017, 1200 km

20. Update: Now n-star collisions
Visible in both gravity and multiple em waves.
Affirms speed of gravity waves as c .
a Kilonova!
R-process production of heavy elements (100 earth masses of Au, more of Pt!)
Triangulation LIGO (Hanford, Livingston), Virgo
Origin of at least some gamma bursts
Aug. 17 observation, Oct. 16 announcement

21. N-star collision

22. See also
Neil deGrasse Tyson, interviewed by Anna Maria Tremonti on the Current, Thursday, June 15, 2017: Learning about Science is more important than ever. Director of Hayden Planetarium, author of Astrophysics for People in a Hurry.