John Metcalfe was CityLab’s Bay Area bureau chief, covering climate change and the science of cities.
The planet’s transit was recorded in wonderful detail.
It’s not often you get to watch Mercury pass right in front of the sun, because such an event occurs only about 13 times every century and requires special binocular filters or telescopes to see. But that’s why we have NASA, whose Solar Dynamics Observatory caught the spectacle in its righteous entirety:
Mercury’s transit, which looked like a BB shooting above an ocean of nuclear fire, won’t be seen again until November 2019.
Here’s some more images from the space agency: