Category Archives: SDO

EO: Earth Observatory

Twelve years after the Earth was buffeted by one of the more potent Sun storms in modern history, our nearest star crackled with activity again. A solar flare erupted on July 12, 2012, followed closely by a companion coronal mass … Continue reading

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Latest SDO IMage

This image taken by SDO’s AIA instrument at 171 Angstrom shows the current conditions of the quiet corona and upper transition region of the Sun. Active Region 1515 released an M6.9 class flare beginning at 12:23 PM EDT and peaking … Continue reading

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Solar Weather

Sunspot 1283 Bristling With Flares: An X1.8 and An M6.7 – UPDATED 09.08.11   The Sun as viewed by the Solar Dynamics Observatory (SDO) in 193 angstrom. The verticle black area near the center is the coronal hole. Credit: NASA/SDO … Continue reading

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Living With A Star

The Living With a Star (LWS) program emphasizes the science necessary to understand those aspects of the Sun and the Earth’s space environment that affect life and society. The ultimate goal is to provide a predictive understanding of the system, … Continue reading

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Solar Dynamics Observatory

SpaceCraft The total mass of SDO at launch was 3000 kg (6620 lb); instruments 300 kg (660 lb), spacecraft 1300 kg (2870 lb), and fuel 1400 kg (3090 lb). Its overall length along the sun-pointing axis is 4.5 m, and … Continue reading

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