The Soviet Union launched Sputnik 1, the first artificial satellite, into orbit on October 4, 1957.

Neil Armstrong became the first person to walk on the Moon on July 20, 1969, during the Apollo 11 mission.

The Hubble Space Telescope has revolutionized our understanding of the universe with its stunning images and groundbreaking discoveries.

Jupiter is the largest planet in our solar system, known for its massive size, iconic Great Red Spot, and numerous moons.

Venus is often referred to as the 'Morning Star' or 'Evening Star' due to its bright appearance in the sky before sunrise and after sunset.

Pluto was reclassified as a dwarf planet in 2006, after the discovery of Eris, a larger object with a similar orbit.

Viking 1 was the first spacecraft to successfully land on Mars and transmit images and data back to Earth in 1976.

Sagittarius A* is the supermassive black hole at the center of our galaxy, with a mass millions of times that of the Sun.

The Spitzer Space Telescope is renowned for its infrared capabilities, allowing it to study obscured regions of space and observe the formation of stars and galaxies.

The Galileo mission sent a probe that successfully landed on Ganymede, providing valuable insights into the moon's surface and composition.

Saturn is famous for its prominent rings, which consist of countless ice and rock particles orbiting the planet.

Venera 7 was the first spacecraft to successfully land on Venus and transmit data back to Earth in 1970.

Voyager 1 is a space probe that has traveled beyond the outer planets of our solar system and is currently exploring interstellar space.

The Planck Surveyor is a space telescope dedicated to studying the cosmic microwave background, providing insights into the early universe.