... Magnetic storms online . ... Geomagnetic activity forecast . ... September : 2015 . ... magnetic disturbances are expected . From 12 September 2015 to 8 October 2015 the following magnetic storms and disturbances are expected: . October 05, 2015 geomagnetic disturbances . ... September 12, 2015 geomagnetic disturbances . ... September 21, 2015 geomagnetic storm of level G1 (minor) . ... September 20, 2015 geomagnetic disturbances 12 September 2015 - 8 October 2015 . 11.09.2015 . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 September 8 . Unexpected Impact on Jupiter . ... Explanation: Two months ago, something unexpected hit Jupiter. First discovered by an amateur astronomer Anthony Wesley on 2009 July 19, the impact was quickly confirmed and even imaged by the Hubble Space Telescope during the next week. ... About APOD | ...

Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 03 - 09.09.2012, Forecast on 10 - 17.09.2012, Carrington Rotations 2127, 2128 (15,04.08; 11,29.09.2012) SUNSPOT-FORMING ACTIVITY OF THE SUN ON SEPTEMBER 3 AND 4 WAS AT THE HIGH LEVEL ALSO DURING THE REMAINING DAYS ON THE AVERAGE LEVEL. ... NEXT WEEK THE LEVEL OF SUNSPOT ACTIVITY IS EXPECTED TO BE AVERAGE. ... BY DATA OF SOHO AND STEREO CORONOGRAPHS FOR THE PERIOD IT WAS OBSERVED 56 CME AMONG WHICH 3 WERE TYPE "PARTIAL HALO II". ...

Astronomy Picture of the Day . An Unexpected Aurora over Norway . ... 4.05.2015 . ... Credit Copyright: Tommy Richardsen Explanation: Sometimes the sky lights up unexpectedly. A trip to northern Norway to photograph auroras was not going as well as hoped. It was now past midnight in Steinsvik , Troms , in northern Norway , and the date was 2014 February 8. ... When the sky suddenly exploded with spectacular aurora . ... Publications with keywords: aurora . ... Aurora over Clouds . ...

Blackholes2 Forum Message . ... Post . ... Shifts Are As Would Be Expected. ... Post Message | ... Red and blue shifts can be caused by velocities also. ... The expectd result would be a red or blue shift proportional to the aparent distance an object is from the observer. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...