Postcard from Raymond: The Unseen is the Real

There is a mysterious, imperceptible force from beyond the observable universe yanking our galaxy in a certain and irresistible direction. We can’t stop it. The cosmic phenomenon known as “dark flow” is controversial, but it describes a flow or peculiar velocity of galaxies towards the Centaurus and Hydra Constellations. The gravitational anomaly called the “Great […]

Postcard from Raymond: How interconnected do you feel?

This image is a simulation of the “cosmic web,” a network of the scaffolding holding together the structure of the universe. This structure constitutes galaxies, dark matter, the gas that coalesces into stars, and “filaments”: regions of galaxy clusters woven together through what resembles slender, cobweb-like threads. This image from UC Riverside highlights how these […]

Postcard from Raymond: The View from Afar

Artist Pablo Carlos Budassi has put together a stunning “logarithmic scale conception” of the observable Universe, with the Solar System at the centre. Thanks to discoveries by physicists, mathematicians, and many others in the 20th century, we know that time and space are interrelated, and that the universe is expanding every second, with galaxies, stars, […]

Songs of the Ocean’s Tides

Pixie Take a walk on the beach, holding a friend’s hand, and relax. Feel the sand squeezed between your toes and listen to the gently lapping waves. Peaceful, isn’t it? Well, maybe not. Choose a different beach, and the surface might be sharp edges of volcanic rock, a foam frozen in time and cut by […]