First space photos by new ALMA telescopes

The world's most complex observatory opened today in the Chilean Andes.

Here are some of the photos it captured:

Antennae Galaxies composite of ALMA and Hubble observations.

ALMA view of the Antennae Galaxies.

Antennae Galaxies, side-by-side comparison of ALMA and visible-light observations from the ESO Very Large Telescope. 

Wide-field view of the region around the Antennae Galaxies.

Courtesy of European Southern Observatory