SDO's Spring 2016 Eclipse Season started on February 19, 2016, with the Earth passing between SDO and the Sun at 0712 UTC that day. Th...

NASA has posted a feature about the alignment yesterday morning. It looks great! http://www.nasa.gov/feature/goddard/nasas-sdo-catches-a-do...

Sunday morning, September 13, 2015, we will have an alignment of the four most important objects in the solar system. SDO, the Earth, the ...

Today is the beginning of SDO's Fall 2015 eclipse season. From today until September 17, 2015, the Earth will pass between SDO and the ...

SDO will execute Stationkeeping Maneuver #11 today from about 2245-2315 UTC (6:45-7:15 p.m. ET). This Delta-V burn is used to keep the obser...

The spring 2015 eclipse season has begun! Yesterday at 0711 UTC (2:11 am ET) the Earth passed between SDO and the Sun. We can't see the...

Yesterday saw the end of the Fall 2014 eclipse season. If you look carefully in the upper right corner of this AIA 211 sequence you can se...

One of the cool things about knowing astronomers is the clever things they do with cameras. Here is one example. William Livingston, a sol...

The SDO 2014 Spring Eclipse Season has begun! For the next 3 weeks the Earth will pass between SDO and the Sun around 0730 UTC each morning...

The SDO Fall 2013 Eclipse Season has begin. Every day until September 25, 2013 some part of the Earth's shadow will pass through the SD...

March 2, 2013 saw the first eclipse of the SDO Spring 2013 Eclipse Season. It was a partial eclipse, blocking only the upper left part of t...

The Fall 2012 SDO eclipse season ends tomorrow. Here is a look at the penultimate eclipse in the AIA 1600 bandpass. This wavelength of lig...

Today was the beginning of the Fall 2012 eclipse season. This image in AIA 171 shows that the Earth covered about half of the Sun this mor...

Today we had the last eclipse of the Spring 2012 Eclipse Season. Here are 4 images of the Sun at about 0630 UT today. Comparing the upper le...

March 6, 2012 marks the beginning of the SDO Spring Eclipse Season. For the next three weeks the Earth will pass between SDO and Sun at abou...

The first two Think Scientifically books are available from SDO Educators Website . Each book focuses on a key science theme and includes a...

The Fall 2011 eclipse season started today. Here is an AIA 171 image from 0657 UT with the first eclipse! SDO has eclipse seasons twice a ye...

Two topics need to be covered this week. We'll do one today. What happened while SDO exited the eclipse on March 29? The pictures at the...

The spring 2011 eclipse season has begun. Every day until April 2, 2011 there will be a short break in the data flow as the Earth moves betw...