What are the major space agencies and their contributions to space exploration?

Space exploration is a collaborative effort of various space agencies around the world. These agencies work together to expand humanity's understanding of the universe and to make technological advancements that improve life on Earth. Here are some of the major space agencies and their contributions to space exploration:

• NASA (National Aeronautics and Space Administration) - NASA is the space agency of the United States. It is responsible for several groundbreaking missions including the Apollo moon landings, the Hubble Space Telescope, and the Mars rovers. NASA is also involved in the International Space Station (ISS) and is currently developing the Space Launch System (SLS) rocket for future missions to the Moon and Mars.
• ESA (European Space Agency) - The ESA is the space agency of Europe. It is responsible for several missions including the Rosetta spacecraft, which landed on a comet, and the Gaia spacecraft, which is creating a 3D map of the Milky Way. The ESA is also involved in the ISS and is currently developing the Ariane 6 rocket for future launches.
• Roscosmos - Roscosmos is the space agency of Russia. It is responsible for several missions including the launch of the first satellite, Sputnik 1, and the first human, Yuri Gagarin, into space. Roscosmos is also involved in the ISS and is currently developing the Soyuz-5 rocket for future missions.
• JAXA (Japan Aerospace Exploration Agency) - JAXA is the space agency of Japan. It is responsible for several missions including the Hayabusa spacecraft, which collected samples from an asteroid, and the Akatsuki spacecraft, which is studying the atmosphere of Venus. JAXA is also involved in the ISS and is currently developing the H3 rocket for future missions.

These space agencies have made significant contributions to our understanding of the universe and have paved the way for future space exploration. They continue to work together on collaborative missions and are always pushing the boundaries of what is possible.