Talks to Bromsgrove Astronomical Society








Apollo 13

20 Apr 2020

In April 1970 the Apollo 13 mission "had a problem". The heroic efforts of mission control to rescue the three astronauts are well documented. This short talk covers some of the perhaps not-so-well-known aspects of the mission.


  Recording   Handout







Beginning of Everything

17 Feb 2020

A brief description of the origin and the very early history of the Universe. It took about three minutes to kick-start the Universe. If this happened 13.8 billion years ago, how can we be so sure?


  Recording   Handout







Unidentified Flying Objects

BASoc Star Party  28 Sep 2019

Are there any images of UFOs that need an extraterrestrial explanation? This talk looks at some images that may have more down-to-earth origins.


  Recording   Handout







Astrophotography Without a Telescope

BASoc Star Party  27–28 Sep 2019

The nuts and bolts of how to take astrophotographs using modestly priced star trackers that can be home built or bought commercially.


  Recording (Fri)   Handout

  Recording (Sat)







Great Moon Hoax

19 Aug 2019

As we all know, the Apollo moonlandings of the late 1960s and early 1970s were faked by NASA. What is the 'evidence' that supports this claim and does it stand up to scientific scrutiny?


  Recording   Handout







Building a Tellurion

15 Apr 2019

A tellurion is a model of the Earth-Moon-Sun system that demonstrates the changing seasons, the phases of the Moon, and predicts eclipses.


  Recording   Handout







Eclipse of the Sun

21 Jan 2019

Why do solar eclipses happen and what determines how often they occur? An explanation of the theory and an account of a trip to the Sahara Desert in 2006 to observe and photograph a total eclipse.

This talk was given to fill an unexpected gap in the programme of talks.


  Recording   Handout







200@70

17 Dec 2018

The 200" Hale Telescope on Palomar Mountain has been in operation for the past 70 years. This is the story of its design and construction.


  Recording   Handout







Lighter Side of Astronomy

16 Apr 2018

A light-hearted look at astronomy and astronomers, plus some of the weird and wonderful telescopes that they use.


  Recording   Handout







Fiat Lux III

15 Jan 2018

The Large Synoptic Survey Telescope will survey many billions of galaxies, stars and planets and will address the most profound questions concerning our solar system, our Milky Way galaxy, and enigmatic dark matter and dark energy.


  Recording   Handout







Fiat Lux II

16 Oct 2017

A sequel to Fiat Lux, this talk looks at how the nature of light has influenced the design and construction of optical telescopes.


  Recording   Handout







Fiat Lux

20 Feb 2017

A talk on the nature of light with measurements of the speed of light and the wavelength of light, and demonstrations of splitting light into its component colours and different types of polarisation of light.


  Recording   Handout







Star of Bethlehem

19 Dec 2016

A light-hearted look at the Gospel of St Matthew. What are the astronomical candidates for the Star of Bethlehem? How well do they fit the account? Do known events fit the timeline of the nativity?


  Recording   Handout







Ramble Through the Night Sky

15 Aug 2016

A general interest talk on astronomy and astrophotography. A description of what's up there, how you can find your way around, how you can see more and how you can photograph the night sky.

This talk was given to fill an unexpected gap in the programme of talks.


  Recording   Handout







Week Above the Clouds

20 Jun 2016

Every year astrophysics students from Liverpool John Moores University and the University of Liverpool are taken on an astronomy field trip to Teide Observatory on Tenerife.


  Recording   Handout







Warping Space and Time

15 Feb 2016

The science fact and science fiction of black holes. How are they formed, what are their properties and how can we 'observe' them? What about TV and the movies? Does Hollywood ever get it right?


  Recording   Handout







Legacy of the Hubble Space Telescope

20 July 2015

A brief history of the Hubble Space Telescope and a description of its legacy in terms of its scientific contributions to our understanding and the way that it touched the public consciousness.


  Recording   Handout







Dark Matter

19 May 2014

Why is it dark? What is the evidence that makes us think that dark matter exists? What is dark matter made of? Does it matter? What are the consequences if dark matter does not exist?


  Recording   Handout







ABC of Stellar Evolution

19 Aug 2013

A look at the birth, life and death of stars. What are the three critical factors (the ABC) that determine why stars are the way they are and why they evolve the way they do?


  Recording   Handout







Beginning of Everything

17 Sep 2012

A brief description of the origin and the very early history of the Universe. It took about three minutes to kick-start the Universe. If this happened 13.8 billion years ago, how can we be so sure?


  Recording   Handout







Building K2

16 Aug 2010

K2 is a low-cost star tracker that I designed, built, tested and then used to photograph the night sky.

A description of the components and the construction is here: https://www.liv.ac.uk/~sdb/Astro/K2.pdf


  Recording   Handout







Great Moon Hoax

16 Aug 2010

As we all know, the Apollo moonlandings of the late 1960s and early 1970s were faked by NASA. What is the 'evidence' that supports this claim and does it stand up to scientific scrutiny?


  Recording   Handout



Steve Barrett      February 2020

S.D.Barrett@liv.ac.uk
Link to Bromsgrove Astronomical Society
Back to top