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July 14, 2015 - The space probe New Horizons passed by Pluto, providing the first high-quality images and data of the dwarf planet.

June 30, 1971 - The first and only people to die in space aboard the Soyuz 11, when the crew capsule depressurized during preparations for re-entry.

July 20, 1969 - First successful manned moon landing, with Neil Armstrong and Buzz Aldrin stepping on the lunar surface.

November 20, 1998 - The Zarya module, the first component of the International Space Station, was launched into orbit.

March 1979 - Voyager 1's closest approach to Jupiter, providing unprecedented images and data of the planet and its moons.

October 4, 1957 - The first artificial Earth satellite launched by the Soviet Union, marking the beginning of the space age.

February 1, 2003 - The disintegration of Space Shuttle Columbia upon re-entry into Earth's atmosphere, resulting in the loss of all seven astronauts.

September 28, 2008 - The first privately developed liquid-fueled rocket to reach orbit.

April 1, 1960 - The first successful weather satellite, Tiros-1, was launched, beginning a new era of weather forecasting.

March 7, 2009 - NASA launched the space telescope designed to discover Earth-like planets orbiting other stars.

July 20, 1976 - The first U.S. spacecraft to successfully land on Mars and transmit high-resolution images and data back to Earth.

January 4, 2004 - Spirit, part of NASA's Mars Exploration Rover mission, successfully lands on Mars to begin its mission of exploration.

December 7, 1995 - The Galileo spacecraft arrived at Jupiter, conducting long-term observations and releasing a probe into the planet’s atmosphere.

July 4, 1997 - The Mars Pathfinder successfully landed on Mars and deployed the Sojourner rover.

April 24, 1990 - Deployment of a large, space-based observatory, revolutionizing astronomy with its high-resolution data.

January 28, 1986 - Space Shuttle Challenger broke apart 73 seconds into flight, leading to the deaths of all seven crew members.

April 12, 1961 - Yuri Gagarin became the first human to orbit Earth, completing one orbit in 108 minutes.

August 6, 2012 - NASA's Curiosity rover successfully landed on Mars, equipped with a mobile laboratory to study Mars' habitability.

May 14, 1973 - The United States' first space station, providing a place for astronauts to conduct scientific research in space.