Eric Walker added Astronomers discover 'extraordinary' unknown radio signal from heart of Milky Way - CNET to 2012 Australian Square Kilometre Array Pathfinder (Askap)

Eric Walker added Australian telescope maps new atlas of the universe in record speed | Astronomy | The Guardian to 2012 Australian Square Kilometre Array Pathfinder (Askap)

Eric Walker added Australian Square Kilometre Array Pathfinder - Wikipedia to 2012 Australian Square Kilometre Array Pathfinder (Askap)

Eric Walker added a number of links to Australian Square Kilometre Array Pathfinder (Askap), and added Australian Square Kilometre Array Pathfinder (Askap) to Telescopes, observatories and telescope networks

Eric Walker added a number of topics and r/geology - The Dee Wright Observatory in Sisters, Oregon. It sits in the middle of a lava flow and made of the rocks it surrounds. to Telescopes, observatories and telescope networks, and added Telescopes, observatories and telescope networks to Astronomy, astrophysics and cosmology and Measuring instruments and measurement techniques