Exploring Petabytes of the Night Sky — Jupyter Notebooks at NOIRLab’s Astro Data Lab Science Platform By Robert Nikutta & Stéphanie Juneau (NSF NOIRLab) Imagine querying 420+ billion rows of astronomical catalog data — spanning 30 major sky surveys, observed over decades with telescopes on three continents — from a Jupyter notebook in your browser in seconds. No download. No HPC allocation request.