Mars rover right rear wheel "spirit" (Spirit), stuck in the sand in April 2009, ceased to rotate after attempts to deliver aid engineers. Details of rescue operations Path brought us to Space.com.

Engineers are developing tactics rescue "Spirits" for several months. Initially they worked at the Earth from Mars rover model in size, placed in a container with sand. November 20 scientists began to send commands "Present" "Spirits." Diagnostic tests conducted after the Mars rover executed the instructions of experts, showed that one of the wheels stuck in the sand. However, a later test did not show any disruption to the wheels.

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Scientists discovered in Hawaii rising flow of mantle that go in depth at least 1.5 thousand kilometers. Their existence explains the volcanic islands located in the center of plates of lithosphere. Job researchers published in Science magazine, and even put on the cover issue. Its main results presented in the portal Nature News.

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The experiment at the Large Hadron Collider on Monday was halted due to problems in the cooling of superconducting magnets. Evidence that suggest the absence of the beam, appeared at CERN, which displays information about the status of the accelerator (it is given to illustrate the screenshots to this news).

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Scientists have offered to defend the Earth against dangerous asteroids, providing them with special "tails" of the counterweight. The resulting structure thus resembles weapons Brazilian Indians bolas.

According to the catalog NASA, is currently known about 1000 asteroids that could potentially threaten Earth. Until recently, most dangerous of these objects was considered an asteroid, 99942 Apophis, which, after detecting a collision with Earth is predicted with certainty about 0,027. Later however it became clear that the probability of very overrated.

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Scientific managed to establish that the fall of meteorite 65 million years ago, which led to the appearance of the crater Chykshulub, pidsmazhylo "and not" burned " Earth. Article (pdf) scientists appeared in the journal Geology, and its brief cites New Scientist.

Meteorite fall has led to emissions of a large number of hot rocks. When this breed began to fall, it rozihrila atmosphere to about 260 degrees Celsius. Previously, scientists predicted that a large area heating lasted about 20 minutes, which led to ignition of trees and massive forest fires. As part of the new scientists were able to show that it is not.

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Probe "Kassyni" (Cassini) delivered to Earth pictures giant allen Saturn in the visible range and high resolution. Shirin have wonderful educational than two Earth diameters. Nature allen is still not clear. Probe obtained from 55 images was compiled movie, you can look at NASA.

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