I wish I had a punchline for this; but it's real.
We can expect some modest radio related anomalies starting about 6 am Wednesday due to the effects of a solar 'coronal mass ejection' (CME) that blew out on Christmas Day. Fortunately, the Earth will receive a glancing blow so most of the energy will scoot on by.
CME TARGETS MARS, EARTH: New sunspot 1387 erupted during the late hours of Christmas Day, producing an M4-class flare and hurling a CME toward Earth and Mars.
The CME is expected to deliver a glancing blow to Earth's magnetic field on Dec. 28th at 1200 UT and a direct hit to the planet Mars on Dec. 30th at 1800 UT. Using onboard radiation sensors, NASA's Curiosity rover might be able to sense the CME when it passes the rover's spacecraft en route to Mars.
Here on Earth, NOAA forecasters estimate a 30-to-40% chance of geomagnetic storms on Dec. 28th when the CME and an incoming solar wind stream (unrelated to the CME) could arrive in quick succession. High-latitude sky watchers should be alert for auroras on Wednesday night.
BEAUTIFUL BLAST: After three years of deep quiet, the sun woke up in 2011. Sunspots and solar flares became commonplace again as long-awaited Solar Cycle 24 got underway. One of the most beautiful eruptions of the young solar cycle occured just this past weekend. Rogerio Marcon of Campinas SP Brasil photographed the blast on Christmas Eve:
"I made a time-lapse video of the eruption," says Marcon. "What a wonderful Christmas present." While Marcon was recording the event from Earth, NASA's Solar Dynamics Observatory was doing the same from Earth-orbit. It was beautiful up there, too.
This explosion was not Earth-directed. Next time, however, could be different. The source of the blast, sunspot 1386, is turning toward Earth, increasing the chances of a geoeffective flare in the days ahead.
Source: http://spaceweather.com/ UPDATED DAILY.
We can expect some modest radio related anomalies starting about 6 am Wednesday due to the effects of a solar 'coronal mass ejection' (CME) that blew out on Christmas Day. Fortunately, the Earth will receive a glancing blow so most of the energy will scoot on by.
CME TARGETS MARS, EARTH: New sunspot 1387 erupted during the late hours of Christmas Day, producing an M4-class flare and hurling a CME toward Earth and Mars.
The CME is expected to deliver a glancing blow to Earth's magnetic field on Dec. 28th at 1200 UT and a direct hit to the planet Mars on Dec. 30th at 1800 UT. Using onboard radiation sensors, NASA's Curiosity rover might be able to sense the CME when it passes the rover's spacecraft en route to Mars.
Here on Earth, NOAA forecasters estimate a 30-to-40% chance of geomagnetic storms on Dec. 28th when the CME and an incoming solar wind stream (unrelated to the CME) could arrive in quick succession. High-latitude sky watchers should be alert for auroras on Wednesday night.
BEAUTIFUL BLAST: After three years of deep quiet, the sun woke up in 2011. Sunspots and solar flares became commonplace again as long-awaited Solar Cycle 24 got underway. One of the most beautiful eruptions of the young solar cycle occured just this past weekend. Rogerio Marcon of Campinas SP Brasil photographed the blast on Christmas Eve:
"I made a time-lapse video of the eruption," says Marcon. "What a wonderful Christmas present." While Marcon was recording the event from Earth, NASA's Solar Dynamics Observatory was doing the same from Earth-orbit. It was beautiful up there, too.
This explosion was not Earth-directed. Next time, however, could be different. The source of the blast, sunspot 1386, is turning toward Earth, increasing the chances of a geoeffective flare in the days ahead.
Source: http://spaceweather.com/ UPDATED DAILY.