The World's Largest Iceberg Is Moving Again
"It's exciting to see A23a on the move again after periods of being stuck," oceanographer Andrew Meijers said.
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The largest map of the cosmos hints that dark energy is changing. It could prove Einstein wrong and upend a pillar of modern physics.
The Vera C. Rubin Observatory is about to get outfitted with the world's largest digital camera, which will allow it to map the entire southern sky over a decade, including more than 20 billion ...