Astronomers are perplexed by the unexplained disappearance of a massive star located 75 million light years away.
A decade ago, light from this colossal star brightened its entire host galaxy, which is officially known as PHL 293B and is nicknamed the Kinman Dwarf. But when scientists checked back in on this farflung system last summer, the glow of the star—estimated to be roughly 100 times more massive than the Sun—had been extinguished. The head-scratching discovery was announced in a study published on Tuesday in the Monthly Notices of the Royal Astronomical Society.
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.
Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.
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