This picture by NASA's Hubble shows 48,000-light-year-long stretch of our cosmic neighbor

This picture by NASA's Hubble shows 48,000-light-year-long stretch of our cosmic neighbor
Credits: NASA, ESA, J. Dalcanton, B.F. Williams and L.C. Johnson (University of Washington), the PHAT team and R. Gendler

This sweeping bird's-eye view of a portion of our cosmic neighbour, the Andromeda galaxy (M31), is the sharpest large composite image ever taken of our galactic next-door neighbour.

Captured by the NASA/ESA Hubble Space Telescope, this breathtaking image is assembled from a total of 7,398 exposures taken over 411 individual pointings of the telescope. The images were obtained from viewing the galaxy in near-ultraviolet, visible, and near-infrared wavelengths, using Hubble's Advanced Camera for Surveys (ACS) and the Wide Field Camera 3 (WFC3).

Hubble's M31 mosaic image reveals over 100 million stars and thousands of star clusters embedded in a section of the pancake-shaped disk of the galaxy. Though the Andromeda galaxy is only 2.5 million light-years from Earth, it is a much bigger target in the sky than the myriad far-off galaxies Hubble routinely captures.

This image was originally released by NASA in 2015.

The Hubble Space Telescope is a project of international cooperation between NASA and the European Space Agency (ESA). The premium space-based telescope has been beaming back stunning images of the cosmos since its launch in 1990.

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