Comet 67p

Comet 67p

Comet 67p which is also called ESA’s Rosetta orbiter has now moved in so close to its comet prey that the earliest body overwhelms the screen,  and breaks the arrangement  to seize the complete scene of the bizarre world and so it can find the most satisfactory spot or where it can fit for the momentous Philae landing. Rosetta has pinched and accommodates the comet to collect high definition views of Comet 67P/ with the navcam camera on Sunday, August 31. The purpose in taking the images is to find a technically realistic Philae touchdown site that is both scientifically interesting and safe. The navcam image raster series was taken from comet 67P from a distance of 61 km.

According to ESA’s Rosetta statement roughly one quarter of the comet can be seen in the corner of each of its four images. The four images that  are taken over an approximately 20 minute period, It means that there is some movements of the spacecraft and rotation of the comet between the images. As a result, making a clean arrangement out of the four images is not simple.This is the first mission of Rosetta including first history that attempt to orbit a comet for such a long term of study. The history of Philae is making landing on a comet 67p is contemporary scheduled for around November 11 2014 and will be totally automatic. The 100 Lander is furnished with 10 science instruments. In an ESA statement, Stephan Ulamic, Lander Manger at German Aerospace Center (DLR), he stated that the first time landing sites on a comet has been considered.

Everyone is waiting to select a suitable landing zone as soon as possible since the comet activates and the surface becomes ever more active as it obtain closer to the sun and makes the landing ever more dangerous. A hundreds of comets flies around the Solar System and each of them is a possible target for ESA's comet pursuing Rosetta mission. The science team was faced with the difficult task of shifting as the mission took shape, through these candidates until they  recognized a handful of suitable objects.

One of the numerous short period is Comet 67p which have orbital periods of at least 20 years and a low orbital tendency. Since the orbits are controlled by the gravity of Jupiter and they are also called comet's Jupiter Family. Comet 67p is classified as dusty comet with a dust to emission of gas ratio of about 2:1. The production of peak dust rate in 2002-2003 was estimated around 60 kg per second, although as greater as 220 kg per second was reported in 1982-1983. During that period, no jets are visible.

If the comet act correctly as in 2003-2009, the main jets will become perceptible visible a month before perihelion, i.e. in the middle of July 2015. This late inception of the major activity will be good news for everybody's concern with the security of Rosetta and Philae Lander

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