Deimos . Mars II . Deimos [DEE-mos] (panic) is a moon of Mars and was named after an attendant of the Roman war god Mars. ... Some scientists speculate that Deimos and Phobos (the other martian moon), are captured asteroids; however, other scientists present arguments counter to this theory. Both Deimos and Phobos are saturated with craters. ... Orbital period (days) . ... Courtesy A.Tayfun Oner) . ... Topographic Map of Deimos . ... The leading side faces forwards in the orbit of Deimos. ...

Phobos . Mars I . Phobos [FOH-bohs] (fear) is a moon of Mars and was named after an attendant of the Roman war god Mars. ... Phobos shows striated patterns which are probably cracks caused by the impact event of the largest crater on the moon. ... The striking feature in this image is the giant Stickney crater. ... Courtesy NASA) . ... Because Phobos is only 28 by 20 kilometers (17 by 12 miles), the moon must have been nearly shattered from the force of the impact that caused the giant crater. ...

... The spacecraft of Magion type have been selected as the subsatellites of the Interball project: Magion-4 (C2-X) for the Tail Probe and Magion-5 (C2-A) for the Auroral Probe. ... Magion-4 was produced in the Czech Republic in collaboratrion with Russia, Ukraine, Hungary, Austria and has onboard scientific instruments and sensors designed and built in Czech Republic, Russia, Poland, Hungary, Romania, Bulgaria and Slovak Republic. ... Plasma flow detector VDP-S (Czech Republic, Russia) . ...

Cosmic Research, Vol. 42, No. 5, 2004, pp. 435­488. Translated from Kosmicheskie Issledovaniya, Vol. 42, No. 5, 2004, pp. 453­508. Original Russian Text Copyright © 2004 by Veselovsky, Panasyuk, Avdyushin, Bazilevskaya, Belov, Bogachev, Bogod, Bogomolov, Bothmer, Boyarchuk, Vashenyuk, Vlasov, Gnezdilov, Gorgutsa, Grechnev, Denisov, Dmitriev, Dryer, Yermolaev, Eroshenko, Zherebtsov, Zhitnik, Zhukov, Zastenker, Zelenyi, Zeldovich, Ivanov-Kholodnyi, Ignat'ev, Ishkov, Kolomiytsev, Krasheninnikov, Kudela,