“Rosetta” fixed ejection of gas and dust from the comet 67P – BBC Russian

• 21 April 2015

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Pictures taken at intervals of two minutes, you can see the formation of a gas release

European space probe “Rosetta” gave a huge release of gas and dust on the surface of the comet’s orbit where it is located.

Comet Churyumov-Gerasimenko 67P, which is a loose lump of ice and dust diameter of 4 km, is now close to the Sun, which is stronger than all the heats its surface.

“Rosetta” is located about 100 km from the comet and the Earth continues to send interesting unique image transformation of this celestial body.

The system cameras “Osiris “recorded in the last days of violent eruption on the back of a comet in an area that was designated” Imhotep “on behalf of the Egyptian god of wisdom and medicine.

The report of this event was presented to the General Assembly of the European Union of Geophysics in Vienna.

series of images was obtained for the period from 31 January to 25 March

The head of the “Osiris” Carsten Güttler said that the first image was acquired on March 12.

“Then the pictures were taken at intervals of two minutes. The first picture we see no activity. The second photograph shows already fully formed flow of gas and dust, “- said Güttler.

approaches the Sun

” The length of this release – 900 meters, and the speed of propagation – eight meters per second. It is interesting that this emission originated on the dark side of the comet, not illuminated by the sun, and the mechanism for the occurrence of such an anomaly, we have not understood “- he added.

It is believed that the main activity on the surface of the comet should occur in areas heated by the sun, and not in shaded areas.

Comet 67P quickly approaching the Sun and pass perihelion, that is, the point of minimum distance from him, on August 13.

The release occurred in the area surface of the comet

It will be in that day inside the orbit of Mars at a distance of 189 million km from the sun.

It is expected that the activity of the processes occurring on the surface of a comet, will continuously grow up to this point.

In March, the leaders of the flight was transferred to a remote probe on the comet’s orbit, as the dust emissions affected his navigation system.

Sensors orientation by the stars began to falter due to the presence of large amounts of dust.

It seems that in the coming months, this maneuver translation probe orbited have to repeat.