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STELLAR CHEMISTRY
Russian Anti-Gravity Observation Satellite Delayed Until 2015
by Staff Writers
Moscow (RIA Novosti) Dec 29, 2013


The Spektr-RG satellite, named after the Roentgen (X-ray) and Gamma radiation it will observe, should become operational in another year and a half upon completion of the sensor, Pavlinsky said.

A Russian satellite to study anti-gravity forces by observing clusters of galaxies has been delayed until 2015 due to problems with a German-built telescope, a science official said Thursday.

The satellite, to view galaxy-emitted X-rays in an attempt to unlock the secrets of so-called dark energy, a force believed to propel objects away from one another, had been previously expected to be launched next year.

However, a sensor on one of the craft's two telescopes was malfunctioning, and immediate attempts to fix it revealed that its circuitry must be completely redesigned, Mikhail Pavlinsky, head of high-energy astrophysics at the Russian Academy of Sciences, told a press conference.

The Spektr-RG satellite, named after the Roentgen (X-ray) and Gamma radiation it will observe, should become operational in another year and a half upon completion of the sensor, Pavlinsky said.

The craft's other main telescope, built in the Russian city of Sarov, has not reportedly experienced significant problems.

The Spektr-RG, to be positioned just outside the earth's orbit at a location known as the L2 Lagrangian point, will travel along with the earth around the sun once per year. Its mission is expected to last eight years.

The malfunctioning telescope, known as the eRosita, is being reconstructed by its manufacturer, the Max Planck Institute for Extraterrestrial Physics near Munich.

A third wide-field X-ray observation device is to be provided by Britain's Leicester University.

Russia launched a similar radio-observation telescope, the Spektr-R, in 2011. The craft remains the largest space telescope in operation.

Source: RIA Novosti

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STELLAR CHEMISTRY
Russian dark energy satellite's launch pushed back to 2015
Moscow (UPI) Dec 27, 2013
A Russian satellite to study dark energy forces by observing galaxies has been delayed due to problems with a German-built telescope, a science official said. The satellite, designed to observe cosmic X-rays in an attempt to unlock the secrets of so-called dark energy - a force believed to be accelerating the expansion of the universe, - was to have been launched next year but now wil ... read more


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