Some 139 new TNOs, out of 316 detections total, are reported in the study, which was led by Pedro Bernardinelli, a graduate student in physics and astronomy at the University of Pennsylvania. That’s a big haul considering that the current catalog of TNOs contains only about 3,000 objects, and was possible thanks to the Dark Energy Survey (DES) at the Victor M. Blanco Telescope in Chile.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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