<i>Planck</i> intermediate results: XXV. The Andromeda galaxy as seen by <i>Planck</i>
<i>Planck</i> intermediate results: XXV. The Andromeda galaxy as seen by <i>Planck</i>
The Andromeda Galaxy (M31) is one of a few galaxies that has sufficient angular size on the sky to be resolved by the Planck satellite. Planck has detected M31 in all of its frequency bands, and has mapped out the dust emission with the High Frequency Instrument, clearly resolving multiple …