Hubble Space Telescope image shows off the Whirlpool galaxy as it looked before this week's supernova eruption. credit: STScI/AURA |
Sky chart showing M 51 is located just off the Big Dipper handle; Credit: YourSky software |
Newly discovered supernova appears to blink in before and after photos of the Whirlpool galaxy. credit: Stéphane Lamotte Bailey |
Photo credit: National Geographic
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