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About The Battalion. (College Station, Tex.) 1893-current | View Entire Issue (June 7, 1972)
Page 4 College Station, Texas Wednesday, June 7, 1972 THE BATTALIC 1 R' NASA to test part of Einstein’s theory of relativity The National Aeronautics and Space Administration has started the development of a space ex periment to test the equivalence principle which is a cornerstone of Albert Einstein’s General The ory of Relativity.” Called the “Gravitational Red- shift Space Probe Experiment,” the project is being managed by the NASA Marshall Space Flight Center for the NASA Office of Space Science. Preliminiary de sign of the hydrogen maser ex periment is being done under contract with the Smithsonian Institution Astrophysical Observ atory. That contract is expected to be amended later this year to provide for the design and de velopment of the experiment, which will be launched by a Scout-D rocket from Wallops Island, Va., in late 1974. The equivalence principle as serts that there is no way to distinguish in a small region of space between the pull of gravity and an oppositely directed me chanical acceleration. A conse quence of this principle is that when two identical clocks are in two locations in which the gravi tational pull is different, the clock rates will appear to an observer to be different. It should be noted that the clock rates themselves are not changed; it is the geometry of space and time that is warped by gravity. Because a light wave escaping Summer graduates file for degrees A&M students who expect to complete undergraduate degree requirements and graduate dur ing the first summer session should make formal degree ap plication by June 16. Registrar Robert A. Lacey emphasized the application is the responsibility of the graduating student. Application should be made in Room 7 of the Richard Coke Building, after the $5 graduation fee is paid at the Fiscal Office. The fee receipt must be pre sented to make application. Graduate degree filing will be conducted, separately, during the second summer sessibn. ALLEN Oldsmobile Cadillac SALES - SERVICE “Where satisfaction is standard equipment" 2401 Texas Ave. 823-8002 MONEY Loaned on Anything of Value Sports equipment Stereo equipment Guitars-Amps Jewelry-Tools Guns-Cameras No credit record required! Come to see us. Get a pawn loan of $30 and receive $2.00 free on your first loan. Texas State Credit 1014 Texas Ave. Weingarten Center XXJCX RATED ADULT LIBRARY CLUB Direct from Hollywood 2 Full Color Sound Features of the Hottest, Uncut, Un censored. No Holds Barred Adult Films. 272 Seats - Air Conditioned OPEN 7 DAYS A WEEK 3 p m. til Midm Ip ESCORTED LADIES '2 PRICE. Mondays - Bring date or friend absolutely FREE. Sundays - Ladies Free. Clip This Ad For $1 Discount. Features Change Thurs. For Membership Infor. Contact ADULT LIBRARY CLUB V‘4 'J riiycrsi tv t Up-, tin s t from the strong gravitational field of the sun or other massive body will have its frequency de creased or shifted toward the red end of the light spectrum as it travels to a weaker gravitational field, this effect is called the “gravitational redshift.” In this experiment, a clock will be launched in a 314-hour ellipti cal flight trajectory over the At lantic Ocean. During the flight, this clock will always be in a weaker gravitational field than an identical clock which will re main at a Bermuda Ground Sta tion. Hence, the frequency of the clock in the probe, as observed by telemetry, will always appear to be greater than that of the clock on the ground and the ob served effect will actually be a “blue shift.” Moreover, as the clock rises from the Earth through the increasingly weaker field to its maximum altitude of 18,000 kilometers (11,185 statute miles), it will appear to run in creasingly faster. Its rate will then progressively appear to decrease as it returns to the stronger field at lower al titudes. During the flight, the difference between the clock rate in the probe as indicated by the telemetry signal and that on the ground will be compared with the shifts predicted by Einstein’s Theory. The Smithsonian Astrophysical Observatory will develop hydro gen maser clocks for the redshift experiment. These clocks are the most stable ones available for the period of a few hours in which the experiment will be conducted. They are stable to a few parts in one quadrillion and will provide a measurement accuracy within two thousandths of one percent for the predicted effect. After completing the design study, which is scheduled to be done by June 30, the Marshall Center will begin building the payload support system (payload structure, transponder batteries, antenna and thermal control), concurrently the Smithsonian group will build the space maser clock with its control and signal processing equipment as well as the ground station clocks and as sociated ground equipment. MSFC will be responsible for payload ^ nuclear s human v and co lin wastes mon integration and testing. John Stone of the ManA®*’, , „ 1 s je, future i laboratory Center’s Program Managejj Directorate is manager of tlif| periment. Richard F. Jendrod the Smithsonian Observatory) ition systen 11 Km v/uavi uuvryji , OQS gram manager. Several ly t° niurr j laboratories will contributefei iperation coordinated by Fritz Weber,] ronaut ^ e? - Rudolf Decher of the Spaces ’ at ' 0n an ences Laboratory is providing entific support for the pro| neral Elect p j c e under t a flight ALBERTSONS DRUGS & FOODS mm ■ V MlCCTIO ^ I USl «V « ^ !§XI C0PPERT0NE « LOTION VO 4 oz. bottle suntan lotion promotes fast tan! Helps prevent sunburn! w HAMMOCK Easy living! Portable for oamping or homo, $ tubular stoal frame with heavy duty canvas -pillow moludod ( id-speed BICYCLE $ 21” and 23” height frame-taped chrome handle bars! 27” wheels with all the outstanding features! O/MG v- HAMMER TOOL KIT m Amazing pocket size kit has 6 in 1 tools! Has hammer-measuring tape-punch screwdrivers COOKOUT ■SPECIAL! DWG k DINNER BELL AND PLAQUE IIIH MODEL 9400 6” BLADE ELECTRIC Colonial-finish wooden rack! Great way for mom to get everyone to the dinner table! 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