... To derive the motion of a penny dropped inside an airliner moving at 600 miles/hr (about 1000 km/hr)--should we calculate it with respect to the interior of the airliner, or with respect to the ground? ... And if a similar penny is let go inside an orbiting spaceship--should its motion be calculated relative to the interior of the spaceship, or relative to the Earth outside? ... Each such choice is known as a frame of reference . Some possible frames are -- the interior of the airliner, . ...

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... 1980 . ... A three-stage version of China's CSS-X4 intercontinental ballistic missile is being developed for various space applications. ... The rocket - to be known as "Long March 3"- has four gimbal-mounted engines in the first stage developing a com?bined thrust of some 280 tonnes. ... Four small gimbal-mounted motors provide thrust-vector control. ... The third stage, which employs LO 2 /LH 2 propellants, has four gimbal-mounted thrust chambers. ... CHINESE ASTRONAUTS. ...

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... 22.Reference Frames . ... To derive the motion of a penny dropped inside an airliner moving at 600 miles/hr (about 1000 km/hr)--should we calculate it with respect to the interior of the airliner, or with respect to the ground? ... And if a similar penny is let go inside an orbiting spaceship--should its motion be calculated relative to the interior of the spaceship, or relative to the Earth outside? ... How do observations differ in the two frames--the airliner cabin and the Earth? ...

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Kansas City Blues Oh the river's long, deep and wide Gal I love is on the other side. I'm gonna move to Kansas City, Move to Kansas City. I'm gonna move, pretty baby Honey, where they don't 'low you. ... She must have moved, pretty baby Honey, where they don't 'low you. ... I jumped in the river, started to drown Thought about my baby, and I turned around I wanna move to Kansas City, Move to Kansas City. ... You gotta move, baby Honey, where they don't 'low you. ...

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. Slit_jaw H-alpha . Quiet prominence, 25/09/05 11:11 - 11:52 UT .

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... These so called Out-of-Time (OoT) events gets a wrong RAWY value assigned, and thus eventually a wrong energy correction. ... generate an image from the OoT event list evselect table=PiiiiiijjkkPNblllOOEVLInmmm.FIT imagebinning=binSize imageset=PN_OoT_image.fits withimageset=yes \ xcolumn=X ycolumn=Y ximagebinsize=80 yimagebinsize=80 . ... change the name of the COUNTS column in the OoT event spectrum to CTS_OOT . ... copy the CTS_OOT column of the OoT event spectrum into the source spectrum . ...

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Above: Demonstration of text fonts, justifications and angles. ... Select font move 30 172 text ROMAN: move 30 166 text use: ABGDEZYHIKLMNCOPRSTUFXQW move 30 160 text for: \gA\gB\gG\gD\gE\gZ\gY\gH\gI\gK\gL\gM\gN\gC\gO\gP\gR\gS\gT\gU\gF\gX\gQ\gW move 30 152 text use: abgdezyhiklmncoprstufxqw move 30 146 text for: \ga\gb\gg\gd\ge\gz\gy\gh\gi\gk\gl\gm\gn\gc\go\gp\gr\gs\gt\gu\gf\gx\gq\gw ! ... move 80 40 justifi 0.5 angle 45 text text with angle Summary of possible escape sequences: . ...

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... The change in the temperature dependence of the resistance, R ( T ), of ceramic YBa 2 Cu 3 O 7 - x as oxygen is removed from the sample has been studied. The superconducting transition temperature shifts progressively downward in the process. ... The temperature dependence of the resistivity, ( T ), is linear, with a progressively increasing slope, only at T > 400 K. It is suggested that oxygen condenses on Cu-O chains at T 400 K. PACS: 74.60.Mj, 74.70.Vy, 81.40.Rs, 72.80.Ga ...

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Turning the Camera Skyward . A reconfigured camera can take wide-field exposures of astronomical objects (constellations, the Milky Way, zodiacal light, moving artificial satellites, meteor showers, variable stars, etc.) to reveal much fainter objects and structures than seen by naked eye. ... This picture reveals objects more than 2.5 times fainter than can be seen by the naked eye, including not only stars but also the Orion nebula (M42), where new stars are being born. ...

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33. Phil Plait's Bad Astronomy: Mad Science