COSMIC CLOAK Whirls of cold and hot gas billow in this simulation of a circumgalactic medium surrounding a galaxy. With new tools and simulations, researchers have learned that the CGM helps a galaxy recycle its materials.
M.S. Peeples et al/FOGGIE Project
IN A FLASH Unlike Earth lightning, which is most concentrated at the equator, Jupiter’s strikes at its poles, as shown in this artist’s rendition.
SwRI, JPL-Caltech/NASA, JUNOCAM
STAR START Scientists find evidence that stars formed in a faraway galaxy (indicated by the boxes) when the universe was just 250 million years old.
NASA, ESA, W. Zheng/JHU, M. Postman/STScI and the CLASH Team