Saturn’s rings form a giant dusty doughnut encircling the planet
Saturn and its rings, captured by the Cassini spacecraftNASA/JPL-Caltech/Space Science Institute Specks of dust from…
Tag: doughnut
Doughnut-shaped swirls of laser light can be used to transmit images
Smoke rings are similar to the vortices created in laser lightYevhen Rychko / Alamy Stock…