The interior of the card tells the story of the gift's journey from launch to landing. MOTHER'S DAY IS MAY 8TH: Are you looking for an out-of-this world Mother's Day gift? Consider this: Every time the students of Earth to Sky Calculus launch a cosmic ray balloon, they include something extra in the payload-something Mom will love:Įvery item in the Earth to Sky Store has flown to the edge of space and comes with a greeting card showing the item in flight. NOAA analysts are evaluating the possibility of a glancing blow. Update: A CME did emerge from the blast site, but it was faint and apparently off-target. This means we can expect a CME to emerge from the blast site. Shortly after the flare, the US Air Force reported a Type II solar radio burst-a natural form of radio noise produced by shock waves in the leading edge of a CME. It happened yesterday, too, in response to an even stronger X2.2 flare. Remarkably, this is the second day in a row the same region of Earth has experienced a radio blackout.
Radiation from the flare caused a shortwave radio blackout over southeast Asia and Australia: blackout map. Credit: NASA's Solar Dynamics Observatory The source was sunspot complex AR2993-94, which is almost directly facing Earth.Ībove: An M9.6-class solar flare on April 21st. On April 21st at 0157 UT, Earth-orbiting satellites detected a strong M9.6-class solar flare. STRONG SOLAR FLARE (UPDATED): If you round up, it was an X-flare.
Now for the bad news: Bright moonlight will interfere with the display, sharply reducing visible meteor rates to no more than 5 to 10 per hour. THE LYRID METEOR SHOWER: Earth is entering a stream of debris from Comet Thatcher (C/1861 G1), source of the annual Lyrid meteor shower. 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 beginning, and this is reflected in the number of cosmic rays entering Earth's atmosphere. Sunspot complex AR2993-94 poses a threat for X-class solar flares.
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