Astronomy Day 2021

Posted by as Special Events

A celebration of International Astronomy Day in Victoria, BC, Canada was held on May 15, 2021 as a virtual online event, sponsored by the Friends of the DAO and RASC Victoria Centre. Hundreds of people attended this live-streamed 4-hour event through both Zoom and Youtube.

The program lineup

  • Dominion Astrophysical Observatory (DAO) Virtual Tour
  • Live Solar Viewing from the DAO with David Lee, Sid Sidhu & Chris Purse
  • Guest Presentation – “Fossils in our Galaxy” by Dr. Kim Venn, a specialist at UVic in observational stellar spectroscopy, and the chemo-dynamical analysis of stars in the Galaxy and its nearby dwarf satellites. Stars contain a fossil record of the chemistry of the Universe at the time and place where they were born. Stars formed early in the universe contain very low amounts of elements heavier than Helium, and astronomers call these stars ‘metal-poor’. They are the fossils of ancient star formation in the galaxy. By studying the most metal-poor of these stars, we can read that fossil record to learn about the origin of the elements and formation of the Galaxy. Dr. Venn discussed the recent results on the metal-poor galaxy, including newly discovered streams in the halo, very metal-poor stars found in the Galactic Centre, and metal-poor stars in the Galactic disk that orbit in the opposite direction.
  • University of Victoria Telescope Tour with Karun Thanjavur
  • Ask an Astronomer (or two) with Jason Beaman and Nathan Hellner-Mestelman, hosted by Amy Archer
  • Astrophotography Gallery with Marjie Welchframe, David Lee and friends featuring music from Vox Humana, Jeff Enns (composer)
  • Planetaruim Show from the CU – Draco & Hercules – Aaron Bannister & the constellation blanket
  • Live Stream from the Plaskett Telescope, the Centre of the Universe (CU) and other locations featuring David Lee, Dan Posey, Dave Payne, and Brock Johnston – the RASC Electronic Assisted Astronomy Group and hosted by Ruhee Janmohamed
Thanks to everyone who made this event a success!
Thanks to everyone who made this event a success!

Book: Light – The Visible Spectrum and Beyond

Posted by as Reviews

Light - The Visible Spectrum and Beyond book cover
Light – The Visible Spectrum and Beyond book cover

A beautiful book has just been published by two Chandra mission media specialists. It is available from all the usual online retailers, and would make a wonderful Christmas gift for yourself or others! It features an impressive collection of astronomical photographs, and the two authors have also chosen to blend artwork from Johannes Vermeer, van Gogh, Claude Monet, and a local Victoria artist Henri van Bentum!

A beautiful, fascinating, visual exploration of the power and behavior of light across the entire electromagnetic spectrum and how it affects life on Earth and everything in the Universe.

Buy on Amazon.ca

A visual exploration of the power and behavior of light, across the entire electromagnetic spectrum, and how it affects life on earth and everything in the Universe.

Light illuminates our world and allows us to see everything around us. But, in fact, humans can see only a sliver the full spectrum of light that governs life on Earth and everything in the universe, known as the electromagnetic spectrum. In this highly visual, original exploration, Megan Watzke and Kimberly Arcand present the subject of light as never before. Organized along the order of the electromagnetic spectrum, from radio waves to gamma rays, each chapter focuses on a different type of light, describing its particular properties, characteristics, and practical uses. From radio waves, which allow for TV and cell phone communication, to infrared light which makes thermal body scanning possible, to X-rays, which allow us to peer inside the human body, as well as view black holes and supernovae millions of light years from Earth, Watzke and Arcand show us all the important ways that light impacts life on Earth and beyond. An introductory chapter gives an overview of the electromagnetic spectrum and describes what light is and how it behaves, while hundreds of full-color photographs and illustrations demonstrate concepts and make for a stunning book that’s a joy to read and browse through.

Light is the perfect book for readers of all ages and anyone interested in the beauty of science of our visual world.

More details from the authors’ website.