Science Images of the Week
Astronomers Spot Square-shaped Hole in Sun
NASA astronomers recently noticed an odd looking, square shaped hole in the sun. What they saw is called a coronal hole, something that occurs on a regular basis. Dean Pesnell, project scientist for the Solar Dynamics Observatory at NASA’s Goddard Space Flight Center in Maryland, says the coronal hole is an area within the corona […]
Scientists See Processes Behind Major Solar Events
Over the past several years, NASA spacecraft studying the sun have sent back some spectacular images of it exploding with solar flares and coronal mass ejections. Now, scientists say that two of these spacecraft — the Solar Dynamics Observatory (SDO) and the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) — have detected a phenomenon […]