NASA's James Webb Space Telescope has captured a unique image that revealed 44 individual stars in a galaxy 6.5 billion light-years away from the Milky Way.
“When one of them happens to pass in front of the background star in the distant galaxy along the line of sight with Earth, it acts as a microlens, in addition to the microlensing effect of the ...
Also called M31—and our closest giant neighboring galaxy at just 2.5 million light years away—Andromeda is home to at least a trillion stars. Like the Milky Way, it’s a spiral galaxy ...
"When we discovered these individual stars, we were actually looking for a background galaxy that is lensing-magnified by the galaxies in this massive cluster," study co-author Fengwu Sun ...
NASA's powerful Webb Telescope has spotted more than 40 ancient stars in a distant galaxy, researchers said in a new study. The study, published Monday in Nature, said the researchers used a ...