Category: Culture

Revealed: The Oldest Star Clusters

The researchers studied the Sparkler galaxy located in Webb’s First Deep Field and used JWST to determine that five of the sparkling objects around it are globular clusters. Image credit: Canadian Space Agency with images from NASA, ESA, CSA, STScI; Mowla, Iyer et al. 2022.

Arctic Plants: Their Role In Our Climate

Graminoid-dominated tundra with dwarf shrubs growing in national park Kytalyk, in the Siberian Arctic. The blurred areas in the image are created by heat haze, which occurs when various surfaces heat up differently and hence create turbulence in the air. Image credit: Gabriela Schaepman-Strub, University of Zurich