Som ET - 43 - Andromeda - 1 trillion stars

Estimates suggest that Andromeda has around 1 trillion stars.

How many planets are there in the Andromeda galaxy?

This image, captured with the NASA/ESA Hubble Space Telescope, is the largest and sharpest image ever taken of the Andromeda galaxy — otherwise known as M31.

This is a cropped version of the full image and has 1.5 billion pixels. You would need more than 600 HD television screens to display the whole image.

It is the biggest Hubble image ever released and shows over 100 million stars and thousands of star clusters embedded in a section of the galaxy’s pancake-shaped disc stretching across over 40 000 light-years.

Audio: Som ET - 43 - Andromeda

NASA/ESA Image: https://esahubble.org/images/heic1502a/

Credit: J. Dalcanton, B.F. Williams and L.C. Johnson (University of Washington), the PHAT team, and R. Gendler, A. Koekemoer, Z. Levay and R. van der Marel (STScI), H. Teplitz and M. Rafelski (IPAC/Caltech), R. Windhorst (Arizona State University), T. Hallas, and A. Mellinger.Credit: J. Dalcanton, B.F. Williams and L.C. Johnson (University of Washington), the PHAT team, and R. Gendler, A. Koekemoer, Z. Levay and R. van der Marel (STScI), H. Teplitz and M. Rafelski (IPAC/Caltech), R. Windhorst (Arizona State University), T. Hallas, A. Mellinger and Robert Gendler: http://www.robgendlerastropics.com/

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