Researchers after a four-year experiment have revealed how prevailing winds create sand dunes on Earth.
The seasonal thawing of carbon dioxide ice near Mars` north pole carves grooves in the red planet`s sand dunes, new research has found.
Images captured by NASA spacecraft showed that wind-blown sand dunes moving across the Martian surface.
Scientists believe Mars has winds powerful enough to move sand dunes on the planet’s surface around.
Day in Pics: 29th August
August 29, 2014
Famous Ganesh Pandals in Mumbai