Hubble Space Telescope's mesmerizing views of enormous spiral galaxy could help solve one of the biggest mysteries in astronomy - Space.com

The Hubble Space Telescope has been taking an extended look at a spiral galaxy to help astronomers make improvements in measuring vast cosmic distances.

The image was created from more than 15 hours of observations from the Hubble Space Telescope's Wide Field Camera 3.

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In its more than three decades of efforts, the telescope has helped shed light on one of the most intriguing unsolved problems in astronomy, according to the European Space Agency (ESA).

The Hubble constant — which, like the iconic telescope, is named for the late astronomer Edwin Hubble — describes how quickly the universe is expanding!