. Discovery returns to the Orbiter Processing Facility bay 3 where Raffaello, the Multi-Purpose Logistics Module, sits inside. The module, which contains trash and equipment removed from the International Space Station, will be removed from Discovery's payload bay and transferred to the Space Station Processing Facility. NASA/KSC

... Lunar Module at Taurus Littrow . ... Credit: Daniel D. Durda ( SwRI ), Space Imagery Center , LPL , Apollo 17 Explanation: Can the Hubble Space Telescope take a picture that shows the Apollo lunar modules on the Moon? ... In fact, this picture does just resolve Apollo 17's Lunar Module, Challenger , and its shadow on the floor of the Taurus-Littrow valley in the Moon's Mare Serenitatis. ... Publications with keywords: Moon - Apollo 17 - lunar module - Hubble space telescope . ...

Core vehicle of the OS was launched on February 20, 1986 from the launching pad Baikonur by the launch vehicle Proton-K. It is the central binding element of the complex. The mass of the vehicle at launch was equal to 21000 kg; fuel mass- 1200kg. It has two main solar batteries' panels with area equal to 2*38 m 2 (capacity -9 kW) and additional panel fixed by the cosmonauts. ... Module has 6 docking ports (2 axial and 4 outlying) to dock the transportation ships and additional modules. ...

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... A k -module E can be considered as a functor of k modules over the category of commutative k -algebras, which we will denote by E, by defining E(B ) := E k B . If F and G are functors of k -modules, we will denote by Homk (F, H ) the functor of k -modules Homk (F, H )(B ) := HomB (F|B , H|B ) where F|B is the functor F restricted to the category of commutative B -algebras. ... Theorem 1. The category of dual functors of G-modules is equivalent to the category of dual functors of A -modules. ...