lirik.web.id
a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9 #

lirik lagu bongtower – mariner 10

Loading...

november 3, 1973. the atlas / centaur launch vehicle launched mariner 10 to fly by mercury. this was the last sp~cecraft in the mariner program, since mariner 11 and mariner 12 were allocated to the voyager program and redesignated voyager 1 and voyager 2. passing venus “mariner~10” was the second sp~ce probe (after luna~3) to use gravity assist, lowering its perihelion with the help of venus to approach the orbit of mercury. the sp~cecraft flew past mercury three times. the first mercury encounter took place on 29 march 1974, at a range of 703 kilometers, on 21 september 1974, at a more distant range of 48,069 kilometers and on 16 march 1975, at a range of 327 kilometers. during the flight the sp~cecraft was only able to map 40–45% of mercury’s surface, taking over 2,800 photos. it revealed a more or less moon~like surface. mariner 10 also discovered mercury’s magnetic field. its radiometer readings suggested that mercury has a nighttime temperature of −183 °c and maximum daytime temperatures of 187 °c. it was discovered that mercury has a tenuous atmosphere consisting primarily of helium. this mission was the first and last visit to mercury in over 30 years


Lirik lagu lainnya:

LIRIK YANG LAGI HITS MINGGU INI

Loading...