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At around 3 p.m. ET on May 24,China ’s mysteriousShenlong outer space planereleased an unnamed flying target 372 miles ( 600 km ) above Earth ’s airfoil . expert outside China do n’t get laid precisely what the object is , but they believe it may be a small orbiter or a while of ironware ejected before the craft is scheduled to deorbit .

The U.S. Space Force has been dog the outer space plane since it set up aboard a Long March 2F rocket from Jiuquan Launch Center on Dec. 14 . Little is jazz about the craft , although it seem to be similar to the clandestineBoeing X-37B space planedeveloped by the U.S. , which is up to of making years - long excursions into orbit . China ’s secret space plane first launched in 2020 and remained in area for just two day . However , it stay aloft for 276 Day during its second voyage , which begin in previous 2022 .

An artist�s rendering of the space plane cruising above the earth

An illustration of China’s secretive Shenlong space plane in orbit.

Shenlong ( which means " Divine Dragon " ) deployedsix little objects shortly after launchlast yr ; each seem to be emitting some kind of signaling . So far , Chinese officials have continue tightlipped about the aeroplane and its activities , and have not addressed the nature of the whodunit object or even acknowledged them .

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Meanwhile , the U.S. military ’s X-37B space planer is also in Earth ’s orbit . The craft launch on Dec. 28 on aSpaceXFalcon Heavy rocket . The fact that the two missions are engage simultaneously is " believably no co-occurrence , " Space Force Chief of Space Operations B. Chance Saltzman toldAir & Space Forces magazine .

a head-on photograph of the X-37B space plane on a runway at night

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A Russian Angara 1.2 rocket launches the Kosmos 2560 classified satellite, thought to be called EMKA-3, into orbit from the Plesetsk Cosmodrome in northern Russia on Oct. 15, 2022.

Perhaps unsurprisingly , China ’s state - run media outlets have not indicated any military program for the infinite plane . " After operating in orbit for a period of time , the experimental ballistic capsule will return to the designated landing internet site in China , " Xinhua reported , according to Gizmodo . " During this period , it will carry out reusable technology verification and space science experiment as plan , providing proficient support of the peaceable use of infinite . "

recyclable space planes have many potential commercial and scientific applications , including carrying passengers and launch artificial satellite more efficiently . Nevertheless , the Space Force will continue to supervise the Shenlong mission until it returns to Earth .

The shadowy outline of four surface to air missiles against a cloudy sky

an illustration of a satellite

Chinese Space Station Tiangong orbiting Earth. Maps used for the octane render.

A man in uniform holds up his bend arm behind a podium.

An artist�s illustration of a satellite crashing back to Earth.

An illustration of a satellite crashing into the ocean after an uncontrolled reentry through Earth�s atmosphere

The space balloon

a map showing where the Soviet satellite may fall

An illustration of a burning satellite hurdling back into Earth�s atmosphere

An artist�s illustration of a fireball entering the Earth�s atmosphere at sunset.

Fragment of a stone with relief carving in the ground

An illustration of microbiota in the gut

an illustration of DNA

images showing auroras on Jupiter

An image of the Eagle Nebula, a cluster of young stars.

a reconstruction of an early reptile