This October 31st is Halloween. A very important party in the United States, which NASA chose to celebrate in its own way.
On Monday, NASA posted to its Instagram account a photo of the sun that strangely resembles Jack-o-llantern, the famous Halloween pumpkin head. "Our solar dynamics observatory captured this ultraviolet image in October 2014, showing the active regions of our star.says NASA in the photo comment. The active regions of this image appear brighter because they are areas that emit the most light and energy. They are the marks of a complex and intense set of magnetic fields hovering in the sun's atmosphere, the crown"