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The first discoveries of extrasolar planets are announced

Pulsar planets are planets that are found orbiting pulsars or rapidly rotating neutron stars. The first such planet to be discovered was around a millisecond pulsar and was the first extrasolar planet to be confirmed as discovered.

Apollo 16 land

It was the first mission which landed in the lunar highlands. Astronauts John Young and Charles Duke spent seventy-one hours the lunar surface, while Command Module Pilot Ken Mattingly orbited The Moon in the Command Module. Duke and Young conducted three moonwalks, totaling twenty hours and fourteen minutes.

A Transit-5bn satellite fails to reach orbit after launch

The Transit system, also known as NAVSAT or NNSS, was the first satellite navigation system to be used operationally. The system was primarily used by the U.S. Navy to provide accurate location information to its Polaris ballistic missile submarines, and it was also used as a navigation system by the Navy's surface ships.

Exclusion principle

Austrian physicist Wolfgang Pauli published an article in about behavior of electrons in the atom shell. He suggested that the electrons can't occupy the same quantum state within a quantum system simultaneously. His suggestion became known as the exclusion principle, one of the counter stones of quantum physics.

American psychologist Rollo May is born

May is best known for the existential psychologists. He was interested in reconciling existential psychology with other approaches, especially that of Sigmund Freud. He wrote many books, the most famous and influential are The Meaning of Anxiety, Man’s Search for Himself and Love and Will.

Bustle

American fashion designer Alexander Douglas patented the bustle. It was a framework worn under the skirt to expand the fullness or support the drapery of the back of a woman's dress. Douglas’s design had adjustments so that the size could be increased or decreased. The bustle was made from elastic material.

French scholastic philosopher Peter Abelard dies

Abelard was one of the most influential thinkers of the middle ages. He helped to establish the ascendancy of the philosophical authority of Aristotle. His life was eventful. He had a love affair with his student Héloïse. Abelard impregnated and married her, but her uncle arranged for a band of men to break into Abelard's room one night and castrate him.

Anniversaries of the (in)famous

born 1864

Max Weber

born 1838

John Muir