Currently nasa space launch system the robot sends the first images and begins nasa space launch system the soil analyzes nasa space launch system to answer the big questions for the creation of space since comets are essentially the "garbage" of the solar system. As the nation, in order to discern the difficulty of the task, it is sufficient to consider that the comet 67P on which ran the lander Philae is about 510 million km. From the planet Earth. It has a diameter of four km., Traveling at a speed of 135,000 km. / H and the temperature on its surface is minus 70 C. A remnant from the formation of our solar system by the age of about 4.6 billion. Years, and may help us learn more about ourselves ... throwing light into the depths nasa space launch system of the formation of the Earth itself.
The reason for a vehicle with a size small refrigerator and weighs about 100 kg, equipped with cameras, sophisticated measuring instruments, drills and various sensors. Especially the next three days are considered critical to collect valuable material, but of course this does not mean that the Philae after you stop work. Equipped with solar batteries, the robotic vessel has a mission to carry out in the coming weeks experiments on the data collected and send analyzes to Earth via breast board Rosetta , which is still in orbit around the comet and acts as transponder .
To board ESA's European space agency, which moves in orbit around Comet 67P in August, culminating in the mission to release the robot Philae (pronounced "Kiss") on Wednesday morning.
The signal confirming nasa space launch system the successful landing of the device nasa space launch system arrived seven hours later, shortly after 6 pm local time. The ESA's control center in Darmstadt, Germany, celebrated nasa space launch system for its historical nasa space launch system success.
There is however a little worried as the Philae failed to activate the two hooks that will constrain stable surface. But it has sunk to a depth 4 cm, in a relatively soft material, and is stable and healthy.
The Philae, which has laundry size and weight 110 kilos, takes the name of the island Philae in the Nile. There was an obelisk, along with the famous Rosetta Stone allowed the apokryprografisi of Egyptian hieroglyphs.
But the ground on the landing area is uneven, and the robot risked hitting sharp rocks to slide down a slope or lost in the ravine. But obviously he managed to touch the surface without bounce, and anchored to the ground with screws nasa space launch system and two spears.
"We are optimistic that, despite the risks, we still have a chance of success of 75%, as calculated before" had earlier told reporters in Darmstadt Fred Jansen, manager of the mission.
During the descent the Philae was to transmit images nasa space launch system of the landing point as it approached the ground and a panorama of seven cameras positioned around the top.
Made from a European consortium led by the German space agency DLR, the Philae bears nine instruments and a drill that can reach a depth of 20 centimeters to collect samples.
The instruments will measure the density and the thermal properties of the surface, you will find complex organic molecules, and will examine the interaction of the comet with the so-called solar wind-a continuous stream of particles emanating from the sun.
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