91download.com supports a wide range of platforms, including YouTube, Facebook, Twitter, TikTok, Instagram, Dailymotion, Reddit, Bilibili, Douyin, Xiaohongshu and Zhihu, etc. Click the download button below to parse and download the current video
In the annals of history, certain years shine brightly as milestones of human achievement and 1930 was one such year. On the 18th of February, the ninth planet of our solar system, Pluto, was officially discovered, capturing the imagination of the world. But it wasn't until nearly a century later that we got a true glimpse of this icy world, thanks to the intrepid New Horizons probe. Let's delve into the tale of Pluto's revelation and the technological marvels that brought it into focus.
Imagine the excitement when two photographs, taken days apart, revealed a tiny white speck that had shifted ever so slightly. This was the first sign of what would become known as Pluto. For years, this distant dot was all we had— pixelated blobs against the vast canvas of space. But the question lingered: What does Pluto really look like?
Fast forward to 2015, when the New Horizons probe finally reached Pluto, offering the world a stunning close-up of its surface and its moon, Charon. The mission didn't just showcase Pluto's beauty; it marked the end of its classification as a planet. Yet, this was just one of the many extraordinary events of that year.
2015 was also the year when a spacecraft, Dawn, visited the dwarf planet Ceres, and the internet was abuzz with the debate over the infamous blue and black or white and gold dress. This year was a rollercoaster of emotions, from the hilarious to the tragic, as the world witnessed terror attacks and natural disasters that shook communities to their core.
Amidst the turmoil, there were moments of unity and progress. Same-sex marriage became more commonplace, with Ireland leading the way through a popular vote. NASA confirmed the presence of liquid water on Mars, and a new species of human ancestor, Homo naledi, was unearthed in South Africa, challenging our understanding of human evolution.
SpaceX's historic launch and landing of the Falcon 9 rocket signified a leap forward in space technology, reigniting the space age with its potential for reusable launch systems. This achievement echoed the dreams of space enthusiasts worldwide and hinted at a future filled with possibilities.
As we look back on 2015, we are reminded of the resilience of the human spirit and the relentless pursuit of knowledge. Pluto's journey from a tiny white speck to a fully realized world in our solar system is a testament to human curiosity and the power of technology. The year was a混合 of awe-inspiring moments and somber reflections, but through it all, the drive to explore and understand our universe endured.
In the end, the story of Pluto and the events of 2015 are a reminder that the quest for knowledge is a journey we embark on together, one discovery at a time.
Share on Twitter Share on Facebook