4
Aug 11

Sun's activity is growing

Credit: NASA SDO - YouTube

In the early hours of July 30, 2011 a fairly strong, but brief, M9-class solar flare occurred on Active Region 1261. Because it was brief it appears not to have hurled a large coronal mass ejection (CME) outwards. Additional analysis are underway.

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4
Aug 11

VISTA Finds 96 Star Clusters Hidden Behind Dust

Source: ESO Science Release eso1128


VISTA Finds Star Clusters Galore.
Image credits: ESO/J. Borissova.

Using data from the VISTA infrared survey telescope at ESO’s Paranal Observatory, an international team of astronomers has discovered 96 new open star clusters hidden by the dust in the Milky Way. These tiny and faint objects were invisible to previous surveys, but they could not escape the sensitive infrared detectors of the world’s largest survey telescope, which can peer through the dust. This is the first time so many faint and small clusters have been found at once. (read more)

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