The largest sunspot since November 1990 is seen traveling across the front of the sun in these images from NASA’s SDO, captured Oct. 17-Oct 29, 2014. (NASA/SDO)
Home The largest sunspot since November 1990 is seen traveling across the front of the sun in these images from NASA’s SDO, captured Oct. 17-Oct 29, 2014. (NASA/SDO) The largest sunspot since November 1990 is seen traveling across the front of the sun in these images from NASA's SDO, captured Oct. 17-Oct 29, 2014. (NASA/SDO)
The largest sunspot since November 1990 is seen traveling across the front of the sun in these images from NASA’s SDO, captured Oct. 17-Oct 29, 2014. (NASA/SDO)
