... 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, . ...
... 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. ...
... 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? ...
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. ...
... Tonight's Sky . ... Sky this Month . ... solar system . ... milky way . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Observe the Solar System . Astronomy for Kids . ... Tour the Solar System . ... In what direction and at what speed is the solar system moving through the Milky Way? ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ... Join Astronomy for America's 2017 total solar eclipse! ...
... 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 . ...
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: . ...
... 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 ...
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. ...
... Bad Astronomy . ... Mad Science . ... Area of science: Astronomy . ... The answer depends on the shape of the path the Earth takes around the Sun. ... But really the Earth goes around the Sun, and the path it takes is called its orbit . After people figured out the Earth went around the Sun, they thought the Earth's orbit was a big circle. ... But the temperature does not depend much on how far we are from the Sun, but instead how the Earth is tilted as it goes around the Sun. ... 2008 Phil Plait. ...
Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . Colin Johnston . ... Space Flight . Human Exploration . Robot Exploration . ... Science Fiction . ... Thanks to extensive training and consummate professionalism, the two astronauts successfully and without a fuss fixed the problem . ... Article by Colin Johnston, Science Communicator) . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...
Feed cabin Nr. ... The secondary mirror of feed cabin No. 5 has augmented overall dimensions as compared with mirrors No. 1 - 3 and meant for effective operation with flaps on top and bottom of RATAN-600 circular reflector (figure 1). The feed cabin can to move as well on radial as on circular railways. Feed cabin Nr. 5 enables long tracking of radio sources at the Southern sector in combination with the Flat reflector as the cabin is moved on the arch rails. Figure 1. ...
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... Apache HTTP Server Version 2.4 . Apache > HTTP Server > Documentation > Version 2.4 > Developer Documentation . ... Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our mailing lists . ...
. The medium solar time determined by the equatorial Sun's hour angle changing. The equatorial Sun is a false point, uniformly moving along the celestial equator having the average velocity of the Sun's moving along the ecliptic. Back .
... To set the coordinates in E2000 use xpaset -p tel target [ra] [dec] All commands and arguments are lower case. ... Primary functions set or get values and provide basic control with the actions noted tel status [exit/on/off] manage xpatel and the telescope controller tel goto [on/off] go to target tel track [on/off] toggle track on and off tel guide [on/off] toggle precision guide on target tel target [#] [#] target coordinates [RA (h)] [ Dec (deg)] (E2000) tel ...