The Sun Spot

By Sarah Frazier NASA's Goddard Space Flight Center On March 6, 2019, our Solar Dynamics Observatory, or SDO, witnessed a lunar transit — where both the Sun and Moon displayed a little odd behavior. First, there was the transit itself. A lunar transit occurs when the Moon passes between SDO and the Sun, blocking the …

By Tom Bridgman, Ph.D. NASA's Goddard Space Flight Center Scientific Visualization Studio In my nearly 20 years making visualizations at NASA's Scientific Visualization Studio, "Argo Sun"— a simultaneous view of the Sun in various wavelengths of light — is probably one of my favorites. It is not only scientifically useful, but it's one of the …