'It has taken me almost 2 weeks to process the images,' he says.

TOTAL ECLIPSE OF THE SUN: On April 20th, Eliot Hermann spent 63 seconds watching a total eclipse of the sun from Ah Chong Island off the coast of Australia. Their cumulative effect could create a sustained decrease in cosmic radiation, lowering dose rates for astronauts and air travelers. Solar Max is coming and soon the sun will be hurling many more CMEs in our direction. This Forbush decrease is over, but more are in the offing. It sounds counterintuitive, but big solar storms can cause sharp decreases in space radiation. It happens when a coronal mass ejection (CME) sweeps past Earth and pushes galactic cosmic rays away from our planet. This is called a 'Forbush decrease,' named after American physicist Scott Forbush who studied cosmic rays in the early 20th century. Neutron monitors in Oulu, Finland, detected the drop, which lasted for days. In a matter of hours, cosmic rays peppering Earth's atmosphere dropped to their lowest levels since 2015. There was a sudden decrease in cosmic radiation: Invisible to the human eye, something else happened. The impact sparked a severe geomagnetic storm with auroras so bright they could be seen as far south as Texas. Solar flare alerts: SMS Text.Ī SUDDEN DECREASE IN COSMIC RADIATION: Last month, during the late hours of April 23rd, a CME hit Earth's magnetic field. NOAA forecasters say there is a 50% chance of M-class flares, and a 10% chance of X-flares on May 3rd. Neutron counts from the University of Oulu's Sodankyla Geophysical Observatory show that cosmic rays reaching Earth are slowly declining-a result of the yin-yang relationship between the solar cycle and cosmic rays.ĥ0% CHANCE OF M-FLARES TODAY: A phalanx of new sunspots emerging over the sun's eastern limb has boosted the odds of a solar flare today. Credit: SDO/HMIĬosmic Rays Solar Cycle 25 is intensifying, and this is reflected in the number of cosmic rays entering Earth's atmosphere. Sunspot AR3293 has a weak 'delta-class' magnetic field that harbors energy for M-class solar flares.

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