"Lunar Distance." 1 LD = 384,401 km, the distanceīetween Earth and the Moon. Each one comes with a greeting card showing the pendant in flight and telling the story of its journey to the stratosphere and back againĪll sales support hands-on STEM education The students of Earth to Sky Calculus are selling space pendants to support their cosmic ray ballooning program. ![]() Space Snoopy makes a great birthday, anniversary or Mother's day gift. This sterling silver pendant flew to the stratosphere on April 15, 2023, floating on a cosmic ray balloon 117,400 feet above the Sierra Nevada mountains of central California: SILVER SNOOPY SPACE PENDANT: Snoopy has touched space. Whenever the CME arrives, subscribers to our Space Weather Alert Service will receive an instant text message announcing it. The difference gives a sense of the uncertainty in both models. These are signs of a potent CME, fully capable of causing a geomagnetic storm when it reaches Earth.Īccording to NOAA's latest forecast model, the impact should occur on May 11th at approximately 1200 UT. Shock waves at its leading edge accelerated protons to nearly light speed they have been peppering our planet's upper atmosphere for the past two days. Here is the CME leaving the sun during the late hours of May 9th:Īt the time, the CME was traveling faster than 1,000 km/s (2.2 million mph). ![]() During G3-class storms auroras have been sighted in the USA as far south as Oregon, Nebraska and Virginia. GEOMAGNETIC STORM WATCH: Strong G3-class geomagnetic storms are possible today, May 11th, when a CME is expected to hit Earth's magnetic field. 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. Credit: SDO/HMIĬosmic Rays Solar Cycle 25 is intensifying, and this is reflected in the number of cosmic rays entering Earth's atmosphere. Reversed-polarity sunspot AR3296 poses a continued threat for M-class solar flares.
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