In 1727 Sir Isaac Newton died at the age of 84. An English physicist, mathematician, astronomer, natural philosopher, alchemist, and theologian,
In 1934 Italian physicist Carlo Rubbia was born. A particle physicist and inventor, Rubbia shared the 1984 Nobel Prize in Physics with Simon van der Meer for work leading to the discovery of the W and Z particles at CERN.
In 1918 Daylight saving time went into effect in the
actor William Daniels was
born. In addition to his work on stage, in movies and television, Daniels is
best known by geeks as the voice of the Knight Industries Two-Thousand
(K.I.T.T.) in the 1980s NBC television series Knight Rider. U.S.
In 1966 the Soviet scientific probe Luna 10 was launched aboard a Molniya launch vehicle. Luna 10 entered lunar orbit on April 10, becoming the first artificial satellite to orbit the Moon. Luna 10 continued in operation until May 30.
In 1970 Explorer 1, the first
satellite to be successfully launched in to Earth orbit, re-entered Earth's atmosphere after 12
years in orbit. U.S.
In 1997 after 25 years of operation, routine telemetry and ground control with the NASA robotic spacecraft Pioneer 10 was terminated. At that moment the probe was 6.7 billion miles from Earth, traveling at 28,000 miles per hour. Launched in 1972, Pioneer 10 was the first spacecraft to traverse the asteroid belt, the first to complete an interplanetary mission to Jupiter, and the first to achieve escape velocity from the Solar System. It is estimated that in two million years, Pioneer 10 will reach the system of the red-giant star Aldeberan in the constellation of Taurus.