sun

The sun looks plenty angry, now that it’s at the peak of its 11-year solar cycle. A powerful solar blast uncorked late Monday was the biggest one in more than a year, report space-weather officials. Erupting from an already active sunspot region, the outburst is classified as an X4.9-class flare: “X” in that designation stands for “extreme.”…

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Hopes were high on Thursday night for skies painted with northern lights. But it was more of a hit or miss sky event, depending on where folks looked. Sky-watchers in the continental U.S., where these sky shows are seldom seen, were hoping to get a glimpse of the aurora borealis this week after the sun…

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The day of reckoning has finally arrived for Comet ISON, as it slingshots around the sun and we find out whether it survives roasting. Comet ISON today reaches its closest point of approach to the sun, its “perihelion,” at around 1:44 pm EST (18:44 GMT) today. The frozen snowball from the solar system’s outer reaches…

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A tiny comet’s spectacular death dive into the sun has been captured by cameras aboard NASA’s SOHO (Solar and Heliospheric Observatory)  sun-monitoring satellite this week. In the early hours of Tuesday, August 20, a comet estimated to be only a few tens of meters across made the kamikaze dive and did not seem to survive…

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A tiny comet’s spectacular death dive into the sun has been captured by cameras aboard NASA’s SOHO (Solar and Heliospheric Observatory)  sun-monitoring satellite this week. In the early hours of Tuesday, August 20, a comet estimated to be only a few tens of meters across made the kamikaze dive and did not seem to survive…

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As the sun reaches a crescendo in its 11 year activity cycle this year, it’s also getting ready to go topsy-turvy.  The sun’s global magnetic field is about to reverse—flipping its orientation so that north becomes south and south becomes north. Astronomers estimate that we may be only three or four months away from this mysterious…

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