In the vacuum of space, radio waves travel at the speed of light. So transmissions broadcast on Earth one year ago are now one light year away. Based on the date of their first transmission, this card charts the location of some of humanity’s favourite Christmas anthems and on what star they will debut this year.
Concept: Shaun O’Boyle Artist: Clare Aherne
And that’s not all.
Robert Kiernan at the Science Gallery writes:
As a thank you for you your support and entertainment over the year, we would like to offer Broadsheet readers a 20% discount on all online purchases (including shipping). The discount will run until Sunday.To avail of the offer, please use the code “broadsheet”
Thanks Michael Le Cool