Barchan dunes are solitary crescent dunes formed on a flat, hard ground with limited supplies of sand and vegetation. Transverse dunes are a series of long ridges that are found in areas that have a...
Kappa Orionis (Saiph) is the sixth brightest star in the constellation of Orion. It has a spectral type of B0 which means it is at the top end of the B-class spectral range. See related link for more...