The Universe: Half an Hour at a Time

Web Links

These links accompany the short talks given in August 2021. This page may grow in response to questions or discussions after the talks, so you might want to check back here from time to time.

Astronomy Societies

Federation of Astronomical Societies

Click here for a list of hundreds of local astronomical societies in the UK

Society for Popular Astronomy

A good place to start if you are new to astronomy

British Astronomical Association

One of the world's leading amateur astronomical societies

Astronomy Magazines

Astronomy Now

"UK's biggest astronomy magazine"

Sky At Night

"UK's biggest selling astronomy magazine"

Sky & Telescope

If you prefer an American point of view



It's NASA – what more can you say?


Lots of science and space exploration


Promoting space exploration and astronomy through online talks and CAPCOM magazine

Miscellaneous Links

Astronomy Picture of the Day (APOD)
Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Buying Your First Telescope – A guide to telescopes, eyepieces and accessories.
Note that this publication is sponsored by a telescope manufacturer and so refers to equipment from that manufacturer only. This link is provided for general information purposes only and does not constitute an endorsement or recommendation.
Heavens Above – Satellite sightings and more.
Given your geographic location, this web site provides information on sighting satellites (such as the International Space Station) and also the visibility of planets, comets and asteroids.
Hubble Space Telescope – News, images, videos and talks explaining the science.
The web site incorporates Hubble Heritage, the archive of imagery that contains aesthetically impactful and scientifically accurate colour images of our universe.
Mr Eclipse – Everything you could possibly want to know about eclipses.
A total eclipse of the Sun has been described as the most spectacular event in all of Nature, and eclipses of the Moon have a unique beauty all their own. Fred Espenak explains everything for everyone from novices to experts.
Space Weather – News and information about the Sun-Earth environment.
The latest news on asteroids, aurorae, cosmic rays, fireballs, geomagnetic storms, noctilucent clouds, solar activity... and the science behind 'space weather'.
Universe Today – Space and astronomy news.
A popular American-based space and astronomy news website that provides an independent look at big news stories.

More of Steve's Talks

Astrophotography – Photographing the night sky... without ridiculously expensive equipment.
What can be done with a digital camera, a tripod, a bit of ingenuity and very little else?
Watch the 45-minute talk / PDF handout of the talk
Imaging a Quasar – Catching the ancient light that started its journey before the Earth existed.
Large telescopes have imaged quasars (galaxies) that are billions of light-years distant. Is it possible to capture an image of one of these very remote objects WITHOUT using a telescope?
Watch the 30-minute talk / PDF handout of the talk

Talks Archive
A collection of the recordings and handouts of the thirty or so talks that I have given over the past few years. Most of them are astronomy-related.

Steve Barrett     August 2021
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