According to the MESSENGER- NASA spacecraft to discover Mercury, which has discovered hundred or so many bright red spots scattered on the globe. Mercury is closest to the sun and the least- explored terrestrial planet. The revelations turned out to be a real opener for geologists. The bright red spots appear more yellow- orange more than red in color enhanced pictures. The planet itself appeared dull and grey and the spot adds reddest features on the planet.
They have 10- 50 cm wide irregular spread holes at their centers. The scientists has now clarifies the holes as the volcanic vents and the red spots are the material thrown out by the volcanic explosion. Volcanic explosions are not expected on the planet as it is close to the sun which may deprive it from the gaseous content necessary power for the explosion.
But NASA -MESSENGER now has provided multiple revelations to confirm the presence of volatile components on the surface of planet. Maybe the planet is actually the remains of an interloper, where these volatile compounds are present in greater amounts during formation of planet.
Whatever the origin of Mercury may be, the red spot and the vents confirm the volcanic activity. It seems happened likely most recent billion year of Mercury’s history. Scientists deduce this on their observation of young lava flow from the vents.
Moreover, the overlapping structures within some vents are the results of succession explosion at several kilometers apart. Thus, each red spot is the accumulated product of eruptions from the vents.
So what are the names of these spots? and why they name them?
The nomenclature working groups of the International Astronomic Union has suggested their names. They need names as it is cumbersome approach to refer them according to their coordinates. The decipher term is “facula’ means bright spots.
And the name chosen for the facula on Mercury is the word Snake in various languages. For example, the Snakes name of faculae in the Rachmaninoff craters in three European languages are Nathair Facula, Suge Facula and Neidr Facula.