Gallery: Space Photos of the Week: The Galaxy That Must Not Be Named
<a href="http://www.esa.int/spaceinimages/Images/2017/01/Starbirth_with_a_chance_of_winds">ESA</a>01SPoW-Jan27-06.jpg
This messy, small galaxy is a hotbed for star formation. However astronomers are debating on how to classify it. While its physical properties indicate it’s a spiral galaxy, its appearance looks more like a comet, features more fitting with a dwarf irregular galaxy.
<a href="https://www.nasa.gov/image-feature/jpl/pia12178/the-beauty-of-layered-stratigraphy">NASA</a>02SPoW-Jan26-01.jpg
This 27-mile-wide crater shows layers of bedrock in the volcanic plains of Mars.
<a href="https://www.nasa.gov/feature/jpl/nustar-finds-new-clues-to-chameleon-supernova">NASA</a>03SPoW-Jan26-05.jpg
This image shows a galaxy’s low (red), medium (green) and high (blue) energy x-rays, including a supernova (blue, in the lower center) that is changing appearance unusually quickly.
<a href="https://www.nasa.gov/image-feature/jpl/pia20518/heres-looking-at-you-tethys">NASA</a>04SPoW-Jan26-04.jpg
This photo of Tethys, a large icy moon of Saturn, shows the crater Odysseus as an indentation on the left side.
<a href="https://www.nasa.gov/feature/goddard/2017/cosmic-lenses-support-findings-on-accelerated-universe-expansion">NASA</a>05SPoW-Jan26-02.jpg
By observing five galaxies, astronomers were able to find an independent measurement of the Hubble constant, the rate at which the universe expands.
<a href="https://www.nasa.gov/image-feature/jpl/pia21378/juno-s-close-look-at-a-little-red-spot">NASA</a>06SPoW-Jan26-06.jpg
This view of the northern latitudes of Jupiter showcases Little Red Spot in the lower left. Astronomers have tracked the giant storm, the third largest anticyclonic reddish oval on Jupiter, for the last 23 years.
