NASAのインスタグラム(nasa) - 9月10日 06時25分

Over the course of just one day, a tiny active region on the Sun grew to became almost as large as its many-days-old neighbor. Seen from Aug. 23-24, 2018, these active regions are areas of intense magnetism and are often the source of solar storms.

We use our Solar Dynamics Observatory to understand the Sun's influence on Earth and near-Earth space by studying the solar atmosphere in many wavelengths simultaneously. This allows us to better understand the solar variations that influence life on Earth and humanity's technological systems by looking for solar wind, energetic particles, and variations in the solar irradiance that lead to better predictions of space weather events.

Credit: NASA/SDO #nasa #space #sun #solar #sdo #light #earth #solarsystem #science #video #ultraviolet #uv #uvlight #picoftheday

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する