October 15 | 2017
Some of the largest galaxies in the Universe are dormant, while some dwarf galaxies, such as the one imaged here by the Hubble Space Telescope (@NASAHubble), can produce stars at a hair-raising rate. In fact, this galaxy has one of the highest rates of star formation of the 1,000 or so galaxies nearest to the Milky Way! Clusters of young, hot stars are speckling the galaxy, burning with a fierce blue glow. The intense radiation they produce also causes surrounding gas to light up, which is bright red in this image. Credit: ESA/Hubble & NASA
Observing images of craters on Mars provides scientists insight into the water that carved them and the Red Planet's history of water activity.
February 07 | 2018
What do you think this tadpole-shaped impact crater says about the water that used to fill it? Based on the terrain-height information and knowing that water always flows downhill, scientists were able to infer that the water in the tadpole crater was flowing down, and outward. The image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera on our Mars Reconnaissance Orbiter. Image credit: NASA/JPL-Caltech/Univ. of Arizona #nasa #space mars