[b]Astronomers assume that a large star or some other object is orbiting around them.]

The eROSITA telescope, installed on board the Russian-German space observatory "Spektr-RG", has discovered two galaxies, supermassive black holes in the center of which recently awoke and began to produce periodic flashes of light and energy. This is reported by the press service of the Institute of Extraterrestrial Physics of the Max Planck Society (MPE).

The issue of modernization is being worked out by the state Corporation "Roscosmos" with partners from Kazakhstan and the United Arab Emirates

The contract for the modernization of the Gagarin Launch at the Baikonur cosmodrome for the launch of Soyuz-2 launch vehicles will be designed for three years. This was announced in an interview with TASS by the Director General of the Center for the Operation of Ground-based Space Infrastructure (CENKI) Ruslan Mukhamedzhanov.

To the borders of Russia in the Black Sea again rushed reconnaissance aircraft belonging to the United States. This was reported on Wednesday, April 28, by the Telegram channel "Military Observer" with reference to the data of the Flightradar portal.

The K-Max transport sky tractor of Kaman (USA) has a difficult fate. His first job in 1994 was logging, where, thanks to his unusual design with crisscrossing rotors (synchrocopter), he successfully performed the functions of a flying crane, transporting up to 2.7 tons of wood at a time on an external suspension.

According to the Turkish company Turkish Aerospace Industries (TAI), soon it expects to sign the first export contract for the sale of light combat/ training aircraft "Hurkus-C" to an unnamed state.

The promising strategic low-visibility B-21 Raider bomber of the US Air Force, called the killer of the Russian S-400 "Triumph" anti-aircraft missile systems, is a ray of light in the Pentagon budget, the American magazine Popular Mechanics admits.

The Government of Argentina has officially announced the purchase of 10 C-12B "Huron" aircraft from the US Air Force, the cost of which is estimated at $ 16.67 million.

The Russian Foreign Minister recalls the events preceding the First World War

Russian Foreign Minister Sergei Lavrov, in response to suspicions of Russia's involvement in the explosions at ammunition depots in Bulgaria, called on the European Union to take care of information that the storage and trade of weapons in a number of its member countries are engaged in private individuals.

The United States will conduct airborne training on the Nurmsi airstrip in Estonia as part of the Swift Response exercise.

About 1,000 American and British soldiers and 250 Estonian soldiers will take part in the operation on the territory of Estonia. err.ee.

The United States can send lethal weapons to Ukraine that can be used against Russia, RIA Novosti writes. The equipment that Kiev can get from Washington includes, in particular, "air defense (air defense), anti-ship and anti-tank missiles, operational and tactical strike systems," the agency writes, referring to the American edition of The Wall Street Journal.

It is also necessary to combat the use of terrorism for political purposes

The CSTO countries intend to strengthen the fight against terrorism in Afghanistan and prevent the activation of recruiters on the southern borders of the participating countries, Deputy Secretary of the Russian Security Council Rashid Nurgaliyev said.

Two new motorized rifle regiments have been created in the Kaliningrad region, it follows from the message of the Baltic Fleet of the Russian Federation. In recent years, Russia has strengthened its military infrastructure in the western direction, in particular, in the Kaliningrad region.

According to the Israeli Air Force command, on April 25 at the Nevatim air base, having made a flight from the Lockheed Martin enterprise in Fort Worth (PC.Texas), another batch of three F-35I Adir fighters landed.

Washington believes that the absence of a nuclear agreement with Iran regulating development in this area would be beyond Russia's interests, US State Department spokesman Ned Price said at a briefing.

The US military command is moving HIMARS multiple rocket launchers from Kuwait to Afghanistan to provide cover during the withdrawal of its contingent from Afghan territory, the US Central Command said.

The situation in Afghanistan is currently deteriorating, and in this regard, Russia and Tajikistan are working on planning a joint response to possible threats from this direction. This statement was made on Tuesday during a visit to Dushanbe by Russian Defense Minister General of the Army Sergei Shoigu.

Leonardo Group has signed a contract with Lockheed Martin for the supply of four 127-mm OTO 127/64 LW Vulcano naval artillery systems to equip the new multi-purpose combat ships of the Canadian Navy.

The company Bollinger Shipyards on April 22 announced the transfer of the 44th fast patrol boat FRC (Fast Response Cutter) of the Sentinel class-(WPC 1144) "Glen Harris" (Glen Harris) to the command of the US Coast Guard, which took place in Key West (Florida).

According to the Global Times, Chinese President Xi Jinping on April 23 took part in the ceremony of commissioning of the PLA Navy destroyer URO (105) "Dalian" class "Type-055" (according to the NATO classification "Renhai" / Renhai).

The flagship of the Black Sea Fleet, the Guards missile cruiser "Moscow", went on fire in the Black Sea against the background of sending a US patrol ship to the region.