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TIME AND SPACE
ESA listens in on black hole mission
by Staff Writers
Paris (ESA) Jun 25, 2020

The Spektr-RG astrophysical observatory was developed by Roscosmos with participation from Germany led by the German Aerospace Center (DLR), and is currently operating in a halo orbit around a special point in space called the L2 Lagrange point, some 1.5 million km from Earth. From here, its goal is to map the entire sky in X-rays and identify new X-ray sources, such as supermassive black holes, in the Universe.

European and Russian specialists recently worked together to catch signals from an astrophysical observatory mission, now mapping X-ray sources in our galaxy and beyond, discovering previously unknown supermassive black holes.

In a joint technology demonstration conducted in April and May, ESA, Roscosmos, and the Space Research Institute of the Russian Academy of Sciences (IKI RAN) in cooperation with NPO Lavochkin used three of the European Space Agency's deep space ground stations to download vital scientific data from the Spektr-RG spacecraft.

The Spektr-RG astrophysical observatory was developed by Roscosmos with participation from Germany led by the German Aerospace Center (DLR), and is currently operating in a halo orbit around a special point in space called the L2 Lagrange point, some 1.5 million km from Earth. From here, its goal is to map the entire sky in X-rays and identify new X-ray sources, such as supermassive black holes, across the Universe.

ESA stations link up This spring, the Russian ground stations normally used to communicate with Spektr-RG were in unfavourable geographic positions, and experts from ESA's Estrack ground station network stepped in, working in close cooperation with colleagues at the Russian Complex for Receiving Scientific Information (RKPNI).

ESA's three 35 m dish antennas, located in Australia, Spain and Argentina, were used to establish a series of 16 communication passes with Spektr-RG, downloading 6.5 GB of science data.

These included imagery generated by the mission's two X-ray telescopes: the ART-XC instrument developed by IKI RAN and the eROSITA instrument, built and operated by the Max Planck Institute for Extraterrestrial Physics (MPE) in Germany.

It was the first time that the Agency's ground stations collected scientific data from a Russian spacecraft.

Low Earth orbit to deep space The seven-station Estrack network is located on three continents and provides communication links to ESA spacecraft orbiting Earth, watching our Sun, observing deep into the Universe or exploring the inner Solar System.

They are centrally operated from the Agency's ESOC mission control centre in Darmstadt, Germany, and they also support missions flown by NASA, China and Japan, as well as by European national space agencies on a cross-support basis.

You listen to ours, we listen to yours This successful collaboration demonstrates how ESA and Roscosmos technologies can work together, showcasing the 'interoperability' of the two space agencies.

Later this year, a similar technology demonstration is planned during which a Russian ground station will simultaneously receive science data from two Mars missions: ESA's Mars Express and the ESA-Roscosmos ExoMars Trace Gas Orbiter.

Both experiments lay the foundations for future collaboration between ESA and Roscosmos, including the possibility of a full 'cross-support agreement' for the mutual support of Russian and European science and exploration missions using each Agency's ground stations.


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TIME AND SPACE
Scientists confirm 50-year-old theory that aliens could exploit a black hole for energy
Washington DC (UPI) Jun 23, 2020
Lab experiments have confirmed the 50-year-old theory that an alien civilization could exploit a black hole for energy. More than a half-century ago, British physicist Roger Penrose surmised that energy could be harvested from a black hole by dropping an object into it's ergosphere, the outer layer of the black hole's event horizon. The object would need to be quickly split in two, allowing half to fall into the black hole and the other half recovered. According to Penrose's theory, the ... read more

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