2021年04月20日 Ingenuity: First Flight over Mars Video Credit: NASA, JPL-Caltech, ASU, MSSS Explanation: What’s the best way to explore Mars? Perhaps there is no single best way, but a newly demonstrated method shows tremendous promise: flight. Powered flight has the promise to search vast region […]
2021年04月19日 The Galactic Center in Infrared Image Credit: NASA, JPL-Caltech, Spitzer Space Telescope, Susan Stolovy (SSC/Caltech) et al.; Reprocessing: Judy Schmidt Explanation: What does the center of our galaxy look like? In visible light, the Milky Way’s center is hidden by clouds of obscur
2021年04月18日 Rainbow Airglow over the Azores Image Credit & Copyright: Miguel Claro (TWAN); Rollover Annotation: Judy Schmidt Explanation: Why would the sky glow like a giant repeating rainbow? Airglow. Now air glows all of the time, but it is usually hard to see. A disturbance however — l
2021年04月17日 Inside the Flame Nebula Image Credit: NASA, JPL-Caltech, IPAC Infrared Science Archive – Processing: Amal Biju Explanation: The Flame Nebula is a stand out in optical images of the dusty, crowded star forming regions toward Orion’s belt and the easternmost belt star Alnitak,
2021年04月16日 The Doubly Warped World of Binary Black Holes Scientific Visualization Credit: NASA, Goddard Space Flight Center, Jeremy Schnittman and Brian P. Powell – Text: Francis Reddy Explanation: Light rays from accretion disks around a pair of orbiting supermassive black holes make their w
2021年04月15日 The Galaxy, the Jet, and a Famous Black Hole Image Credit: NASA, JPL-Caltech, Event Horizon Telescope Collaboration Explanation: Bright elliptical galaxy Messier 87 (M87) is home to the supermassive black hole captured by planet Earth’s Event Horizon Telescope in the first ever ima
2021年04月14日 The Pencil Nebula Supernova Shock Wave Image Credit & Copyright: Greg Turgeon & Utkarsh Mishra Explanation: This supernova shock wave plows through interstellar space at over 500,000 kilometers per hour. Near the middle and moving up in this sharply detailed color composite, th
2021年04月13日 Confirmed Muon Wobble Remains Unexplained Image Credit: Fermi National Accelerator Laboratory; Photographer: Reidar Hahn Explanation: How fast do elementary particles wobble? A surprising answer to this seemingly inconsequential question came out of Brookhaven National Laboratory in New
2021年04月12日 Alnitak and the Flame Nebula Image Credit & Copyright: Team ARO Explanation: What lights up the Flame Nebula? Fifteen hundred light years away towards the constellation of Orion lies a nebula which, from its glow and dark dust lanes, appears, on the left, like a billowing fire. But
2021年04月11日 When Black Holes Collide Video Credit & Copyright: Simulating Extreme Spacetimes Collaboration Explanation: What happens when two black holes collide? This extreme scenario occurs in the centers of many merging galaxies and multiple star systems. The featured video shows a computer
