Important dates in space exploration

attempts to regulate waste disposal and water pollution.

1769

Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.

Walden is published

1854

Henry David Thoreau publishes Walden

The term ecology gets coined

1866

The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel

The term acid rain gets coined

1872

The term acid rain is coined by Robert Angus Smith in the book Air and Rain

The first artificial Earth satellite, Sputnik 1, was launched by the Soviet Union

Oct 4, 1957

This was the first satellite in human history to be launched into space.

first animal launched into space

Nov 3, 1957

The first animal to make an orbital spaceflight around the Earth was the dog Laika, aboard the Soviet spacecraft Sputnik 2

The first pictures of the far side of the moon

Oct 7, 1959

The U.S.S.R were the first people to take high-definition pictures of the far side of the moon.

The first human to go into space

Apr 12, 1961

His name was Yuri Gagarin and he was launched by the soviet union.

First spacecraft pictures of mars

Jul 14, 1965

The U.S was the first country to take a picture of mars.

Apollos picture of the earth

1968

The Apollo 8 picture of Earthrise

American astronauts walked on the surface of the Moon

Jul 20, 1969

The apollo 11 members were the first humans to walk on the moon. and Neil Armstrong was the first human to do it.

The first space station was launched

Apr 19, 1971

It was launched by the soviet union.

first pictures transmitted from the surface of Mars

Jun 20, 1976

It was the first picture transmitted from Mars back to earth from the U.S.

first large optical space telescope launched

Apr 25, 1990

It was the first large telescope launched by the U.S and European Space Agency

first spacecraft to fly by Pluto

Jul 14, 2005

The U.S sent the first spacecraft to fly past Pluto.