Learning is a lifelong effort. "Consider a language ... language serves to describe a combination of colored squares on a surface. The squares form a complex like a chessboard. There are red, green, white and black squares. The words of the language are 'red', 'green', 'white', 'black', and a sentence is a series of these words. They describe an arrangement of squares in an order." -- Ludwig Wittgenstein, philosopher (20th century)

Forty years ago the Apollo 11 mission



The Apollo 11 mission was the first manned mission to land on the Moon. It was the fifth human spaceflight of Project Apollo and the third human voyage to the Moon. Forty years ago men from Earth made history on the moon. Apollo 11 was launched on July 16, 1969. On July 20, 1969 astronauts Neil Armstrong (Mission Commander) and Buzz Aldrin became Earth's first human emissaries to set foot on the lunar surface while crewman Michael Collins orbited high above.

mission (noun) - a flight by an aircraft or spacecraft to perform a specific task
spaceflight (noun) - flight into outer space in a spacecraft
voyage (noun) - a long journey to a distant or unknown place especially over water or through outer space
launch (verb) - to send or shoot (something, such as a rocket) into the air or water or into outer space
astronaut (noun) - a person who travels in a spacecraft into outer space
commander (noun) - a person who is in charge of a group of peopleoften used as a title
emissary (noun)- a person who is sent on a mission to represent another person or organization
lunar (adjective ) - of or relating to the moon
surface (noun) -an outside part or layer of something
orbit (verb) - to travel around (something, such as a planet or moon) in a curved path : to make an orbit around (something)

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