Last Thursday, I took my son to the Rose Center for Earth and Space at New York’s Museum of Natural History. In the Hayden Planetarium, we watched a simulation of the Milky Way bloom above us, while the actor Pedro Pascal — who truly is everywhere — narrated the galactic dance unfolding on the screen.

It was breathtaking. But it didn’t compare to what was blasted around the world just a few days later, as the new Vera C. Rubin Observatory began broadcasting its “first light” — its inaugural images of the cosmos. I found myself pinching-to-zoom through a picture that contains roughly 10 million galaxies in a single frame, a vista so vast it would take 400 4-K TVs to display at full resolution. I could hold the universe itself on my screen.

Eye on the sky

Perched 8,660 feet up Cerro Pachón in the Chilean Andes, where the crystal-clear nights provide........

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