Pesquisar este blog

sábado, 25 de fevereiro de 2012



Watch Sunspot 1416 Grow

A small sunspot group, AR1416, quickly mushroomed into a substantial sunspot group in less than 2.5 days (Feb. 9-11, 2012). For a rough size comparison, the larger, more developed spots are larger than Earth. Credit: NASA/SDO/HMI

Nenhum comentário:

Postar um comentário