SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids

CHANCE OF FLARES: Big sunspot AR1504 has developed a 'beta-gamma-delta' magnetic field that harbors energy for strong solar flares. NOAA forecasters estimate a 65% chance of M-flares and a 5% chance of X-flares during the next 24 hours. X-[...]

 

INCOMING CMES: On June 14th, for the second day in a row, sunspot AR1504 erupted and hurled a CME toward Earth. The fast-moving (1360 km/s) cloud is expected to sweep up a previous CME and deliver a combined blow to Earth's magnetic field [...]

 

ELECTRIC-BLUE NOCTILUCENT CLOUDS: Data from NASA's AIM spacecraft show that noctilucent clouds (NLCs) are like a great "geophysical light bulb." They turn on every year in late spring, reaching almost full intensity over a period of no more than [...]

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