Floating Dust May Be Cause of A Lunar “Ionosphere”
This is an interesting video about a thin layer of ionized dust above the lunar surface. Via NASA and SpaceWeather.com:
How can a world without air have an ionosphere? Somehow the Moon has done it. Lunar researchers have been struggling with this mystery for years, and they may have finally found a solution.
Late “Second Spring” Cactus Flowers
The Bishop’s Cap cactus has a couple of flowers left just in time for second spring to end. Click on the image to enlarge.
Solar Plasma Flow
This video compresses about an hour of solar activity around a sunspot to a little over ten seconds.
Via APOD:
The Sun’s surface keeps changing. The above movie shows how the Sun’s surface oozes during a single hour. The Sun’s photosphere has thousands of bumps called granules and usually a few dark depressions called sunspots.




