How Far Could Humans Actually Travel Through Space in One Lifetime?

🚀 How far could a human really go — before time runs out? Space may be endless, but a human lifetime is not. In this video, we explore the realistic limits of human space travel, combining physics, biology, and time itself. From current spacecraft speeds and future propulsion concepts to time dilation and human lifespan constraints, you’ll discover how far we could truly travel — even with advanced technology. You’ll discover: 🌍 How far current spacecraft can travel ⚡ What future propulsion might allow ⏳ The role of time dilation at high speeds ☢️ Human survival limits in deep space 🌌 Why most of the universe remains unreachable If you love space exploration, astronomy, relativity, and realistic future science, this video offers a grounded look at humanity’s reach into the cosmos. ✨ The universe is vast — but our time is finite. #SpaceTravel #HumanLimits #Astronomy #Cosmology #Relativity #Astrophysics #SpaceScience #Universe #ScienceExplained #NightSky