ALMA observes the Sun

This image of the whole disc of the Sun was taken the Atacama Large Millimeter/submillimeter Array (ALMA), using a technique called fast-scanning, at a wavelength of 1.25 millimetres.  It shows the distribution of temperatures in the chromosphere over the whole disc at low spatial resolution, revealing previously invisible details about our Sun.

Credit:

ALMA (ESO/NAOJ/NRAO

About the Image

Id:eso1703e-comparisonb
Type:Observation
Release date:17 January 2017, 15:00
Size:3804 x 3804 px

About the Object

Name:Sun
Type:Solar System : Star : Feature : Photosphere : Sunspot
Category:ALMA
Stars

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