Blue-Flame Plasma on the Face of the Sun

From NASA’s Scientific Visualization Studio. This video takes images from the Solar Dynamics Observatory and applies additional processing to enhance the structures that are visible. The result is a beautiful, [...]

The Great Solar Mag Flip

From NASA Heliophysics. The number of sunspots increases and decreases over time in a regular, approximately 11-year cycle, called the sunspot cycle. The exact length of the cycle can vary. [...]

Pulsar Enigma Discovered

From NASA Astrophysics. Hidden deep within a group of ancient stars, there lurks a young and powerful enigma. This is NGC 6624, a globular cluster near our galaxy’s center thought [...]

Coming this month: Closest Known Approach by a Lar

2005 YU-55 is going to make a very close approach to the Earth on the night of November 8, 2011. At that time, its distance from Earth will be just [...]

Unexplained Gamma-Ray Pulsar

From NASA Astrophysics and Goddard Space Flight Center. In December 2010, a pair of mismatched stars in the southern constellation Crux whisked past each other at a distance closer than [...]