Local Void

English Proper noun 1 local void en astronomy cosmology A region of space with very low density, which our en galaxy cluster, the en Local Group, sticks into like a headland, and of which the en Local Sheet, which the Local Group is attached to, forms one wall. en-GB Hannah Devlin ‘What the heck is going on?’ Extremely high-energy particle detected falling to Earth w:The Guardian 2023-11-24 https://www.theguardian.com/science/2023/nov/24/amaterasu-extremely-high-energy-particle-detected-falling-to-earth 0261-3077 Similarly, the Oh-My-God particle had no discernible source. Scientists suggest this could indicate a much larger magnetic deflection than predicted, an unidentified source in the Local Void, or an incomplete understanding of high-energy particle physics. https://web.archive.org/web/20250108181342/https://www.theguardian.com/science/2023/nov/24/amaterasu-extremely-high-energy-particle-detected-falling-to-earth Related terms en Local Space Local Universe Local Hole Local Supercluster Local Volume Local Sheet Local Group Local Galaxy Local Arm Local Interstellar Cloud Local Fluff Local Bubble Local Star