Welcome to the 1520 Perfect Dictionary
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| Delay-doppler mapping | |
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| Delay-DOPPLER MAPPING Definition: (astronomy) Examination of a planet by measuring the Doppler shift in a radar beam caused by the planet's rotation. ___________________________________ See perfect measurement (1). See perfect examination (2). _____ See perfect heavenly body. | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |