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If antimatter-dominated regions of space existed, the gamma rays produced in annihilation reactions along the boundary between matter and antimatter regions would be detectable. [ 28 ] Antiparticles are created everywhere in the universe where high-energy particle collisions take place.
A region between the inner and outer Van Allen belts lies at 2 to 4 Earth radii and is sometimes referred to as the "safe zone". [40] [41] Solar cells, integrated circuits, and sensors can be damaged by radiation. Geomagnetic storms occasionally damage electronic components on spacecraft.
Another possible explanation of the apparent baryon asymmetry is that matter and antimatter are essentially separated into different, widely distant regions of the universe. The formation of antimatter galaxies was originally thought to explain the baryon asymmetry, as from a distance, antimatter atoms are indistinguishable from matter atoms ...
A computer-generated map of objects orbiting Earth, as of 2005. About 95% are debris, not working artificial satellites [104] Geospace is a region of space that includes Earth's upper atmosphere and magnetosphere. [100] The Van Allen radiation belts lie within the geospace.
On 21 March 2013, the European-led research team behind the Planck cosmology probe released the mission's all-sky map (565x318 jpeg, 3600x1800 jpeg) of the cosmic microwave background. [46] [47] The map suggests the universe is slightly older than researchers expected.
The CPT theorem implies that the difference between the properties of a matter particle and those of its antimatter counterpart is completely described by C-inversion. Since this C-inversion does not affect gravitational mass, the CPT theorem predicts that the gravitational mass of antimatter is the same as that of ordinary matter. [5]
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The map is projected with an equal area Aitoff in the Galactic system (Milky Way at center)." [67] Constellations grouped in galactic quadrants (N/S, 1–4) and their approximate divisions vis-a-vis celestial quadrants (NQ/SQ) Another indicator of large-scale structure is the 'Lyman-alpha forest'.