Even though the A321LR has proven it can fly from Milan to Newark, United has said its incoming A321XLR lacks the range for Italian routes.
NASA’s Chandra Breaks Down ‘Treble Clef’s’ Galaxy Cluster Collision
Astronomers have used NASA’s Chandra X-ray Observatory to break down the cause of a remarkable formation of radio waves they have nicknamed the “Treble Clef” because its distinct shape strongly resembles the musical symbol. The researchers discovered the Treble Clef is likely caused by an outburst from a supermassive black hole, followed by a collision […]