LONDON: Space Space Mars Spaceship Mars Express has beamed back an image of an exciting part of the red plane's…
LONDON: Space Space Mars Spaceship Mars Express has beamed back an image of an exciting part of the red plane’s surface – a rocky, fragmented, elevated stretch formed by the flow of wind, water and ice.
Located at the border of the northern and southern hemisphere, the region is an example of past activities on the planet.
Mars is a planet with two halves. In places the northern hemisphere on the planet is a whole kilometer lower than the south; This clear topographic division is known as the Martian dichotomy, and is a special distinctive feature on the red planet’s surface.
Northern Mars also shows large areas of even ground, while the southern regions of the planet are heavily poached and scattered with craters.
This is considered to be the result of previous volcanic activity, which has resurfaced parts of Mars to create the smooth bay in the north ̵
1; leaving other regions old and untouched.
The furnace, stone-filled squadron, known as Nili Fossae, sits at the border of this north-south gorge, researchers said.
This region is filled with rocky valleys, small hills and clusters of flat top-shaped shapes (known as geological mesas), with a few pieces of crusty gray that appear depressed into the surface and create a number of dike-like properties called grab.
As with much of the surrounding environment, and despite Mars’s reputation as a dry dry world today, it is believed that water has played a key role in the sculpture of Nili Fossae through ongoing erosion.
In addition to visual signals, signs of previous interaction with water have been detected in the west (upper) part of this image – instruments such as the Mars Express OMEGA spectrometer have detected clay minerals here, which are key indicators for water once present.
The elevation of Nili Fossae and surroundings, as shown in the above topographic view, is somewhat varied; The regions to the left and lower left (south) are higher than those to the other side of the frame (north), illustrating the above-mentioned dichotomy.
This higher altitude terrain seems to consist of rocky plateaus, while the lower terrain comprises smaller rocks, mesas, hills and more, with the two sections severely separated by erosion channels and valleys.
This division is considered to be the result of the material moving on Mars hundreds of millions of years ago. In the same way as glaciers on earth, water and ice flow through the martian terrain is cut and slowly eroded and eroded over time and also carries materials with them.
In the case of Nili Fossae, this was transported from higher to lower, with pieces of resistant stone and hard material that remain largely intact but changed downwards to form the mesas and land forms seen today.
The shapes and structures scattered throughout this image are believed to have been formed over time by the flow of not only water and ice but also wind.
Examples of this image can be seen in spots on the surface that appear to be noticeably dark against the background of the egg, as if they are dirty with carbon or ink.
These are areas of darker volcanic sand, which have been transported and deposited by today’s Martian winds. Wind moves sand and dust around frequently on the Mars surface and creates crushing dune fields all over the world forming multicolored, spotted terrain like Nili Fossae.