Have you ever wondered about the silent sentinels floating in the vast expanse of space? As we continue to launch new satellites into the cosmos, it's easy to overlook the pioneers that paved the way for our modern spacefaring achievements. Today, let's delve into the story of Vanguard 1, the oldest man-made satellite still gracefully orbiting our planet.
在广袤无垠的宇宙中，人类的小小足迹正逐渐铺展开来。你是否曾好奇，那些早期的人造卫星如今是否仍在太空中飘浮？今天，让我们一起揭开历史的长河，探索一颗特别的卫星——Vanguard 1，它不仅是仍在轨道上运行的最早的人造卫星，也是科技竞赛和人类探索精神的象征。