Have you ever pondered the immensity of the cosmos and its profound mysteries? The universe beyond our blue sphere has been a source of fascination for humanity since time immemorial. Today, we journey through time to revisit the top 10 events that have shaped our understanding of the cosmos. Our voyage begins in the year 1905. Albert Einstein, a name synonymous with genius, presents his revolutionary theory of relativity. This theory fundamentally changes our understanding of space and time, setting the stage for future explorations, fast forward to 1957. The world witnesses the launch of Sputnik I, the first artificial satellite by the Soviet Union. This event marks the start of the space age, a new era of discovery and exploration beyond Earth's atmosphere, only four years later, in 1961, humanity takes another giant leap. Yuri Gagarin, a cosmonaut from the Soviet Union, becomes the first human to orbit the Earth. His voyage aboard Vostok I symbolizes the limitless potential of human endeavor. The following year, in 1962, the American astronaut John Glenn orbits the Earth, marking a significant milestone for NASA and the United States in the space race. In 1969, a phrase echoes across the globe, that's one small step for man, one giant leap for mankind. Neil Armstrong, aboard Apollo 11, becomes the first person to step foot on the moon. This lunar landing marks a pivotal moment in human history, fast forward to 1972. Pioneer 10, an American space probe, embarks on a journey towards the outer planets. This mission provides humanity with its first close-up images of Jupiter, expanding our understanding of the solar system. In the year 1990, the Hubble Space Telescope launches into orbit. This observatory in the sky provides astonishing images of distant galaxies, nebulae and other cosmic wonders, revolutionizing our perception of the universe. The turn of the millennium sees the establishment of the International Space Station, a symbol of global cooperation in space exploration. Since the year 2000, the station has served as a home to astronauts from around the world, enabling long-term studies of the effects of space on the human body. In 2012, Voyager 1, a spacecraft launched in 1977, exits our solar system. It becomes the first human-made object to enter interstellar space, marking a significant milestone in our cosmic journey. Our journey concludes with the recent landing of the Perseverance Rover on Mars in 2021. This mission aims to search for signs of ancient microbial life, potentially answering the age-old question. Are we alone in the universe? These 10 events from Einstein's theory of relativity to the Mars Rover landing have shaped our understanding of the cosmos. They highlight our relentless curiosity, our boundless ambition, and our constant pursuit of knowledge. As we continue to explore the stars, who knows what mysteries we will unravel next. The universe is vast, and our journey has just begun.