Dr. Ho Seong Jang and colleagues at the Extreme Materials Research Center at the Korea Institute of Science and Technology (KIST) have developed an upconversion nanoparticle technology that introduces a core@multi-shell nanostructure, a multilayer structure in which multiple layers of shells surroun
Small star, mighty flares: ALMA shares new view of Proxima Centauri
在距离超过四个光年的距离上,Proxima Centauri是我们最近的恒星邻居,被称为非常活跃的M矮人之星。 Its flare activity has been well-known to astronomers using visible wavelengths of light, but a new study using observations with the Atacama Large Millimeter/submillimeter Array (ALMA) array highlights this star's extreme activity in radio and