Gallery: Space Photos of the Week: Mystery Supernova Won’t Say Where It’s From

  • Image may contain Universe Space Astronomy Nebula and Outer Space
    <a href="https://www.nasa.gov/image-feature/goddard/2017/wispy-remains-of-supernova-explosion-hide-possible-survivor">NASA</a>
    01

    SPoW-30-08.jpg

    The brightness of this type of exploding stars, called Type Ia, helps astronomers measure the expanding universe and understand dark energy, but scientists are still unsure how the supernovas form.
  • Image may contain Universe Space Astronomy Outer Space and Nebula
    <a href="https://www.nasa.gov/image-feature/goddard/2017/hubbles-double-galaxy-gaze-leda-and-ngc-4424">ESA</a>
    02

    SPoW-30-09.jpg

    This image, taken by Hubble, shows two galaxies: NGC 4424, and a smaller, flatter galaxy below it, named LEDA 213994.
  • Image may contain Outdoors Nature Ice Mountain Snow and Glacier
    <a href="https://www.nasa.gov/image-feature/jpl/pia21572/the-splitting-of-the-dunes">NASA</a>
    03

    SPoW-30-01.jpg

    In this group of dunes, located near the pit at the center of a 22-mile-wide impact crater on Mars, smaller dunes run perpendicular to larger ones, likely indicating shifting wind directions.
  • Image may contain Outdoors Nature Universe Space Astronomy Nebula and Outer Space
    <a href="https://www.nasa.gov/feature/jpl/nustar-probes-puzzling-galaxy-merger">NASA</a>
    04

    SPoW-30-03.jpg

    In this image, a large disk galaxy is merging with a dwarf galaxy. The smaller galaxy hosts a supermassive black hole, which makes up over 2% of its mass. It's expected to merge with the larger a galaxy's black hole in a few hundred million years.
  • Image may contain Nature Outdoors Universe Space Astronomy Nebula Outer Space Night and Milky Way
    <a href="http://www.eso.org/public/images/potw1713a/">ESO</a>
    05

    SPoW-30-07.jpg

    In this photo, ESO’s Very Large Telescope lies beneath the Milky Way. The star-filled galactic bulge lies towards the top of the image.
  • Image may contain Art and Painting
    <a href="https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA21387">NASA</a>
    06

    SPoW-30-04.jpg

    The enhanced color and contrast in this image highlights a swirling storm on Jupiter, taken from 12,400 miles away.
  • This image shows an individual propeller or disturbance in Saturns A Ring caused by a moonlet.
    <a href="https://www.nasa.gov/image-feature/jpl/pia21437/earhart-propeller-in-saturns-a-ring">NASA</a>
    07

    SPoW-30-06.jpg

    This image shows an individual propeller, or disturbance, in Saturn’s A Ring, caused by a moonlet.
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