Imagine living on a planet where you could celebrate a new year before the planet had even completed one full rotation. On Earth, this sounds impossible. A day is short, a year is long, and the two follow a familiar pattern: Earth rotates once every 24 hours and travels around the Sun once every 365 … Read more
Imagine trying to park a spacecraft in space. Not for a few hours. Not for a few days. But for years, or even decades. At first glance, this sounds impossible. Spacecraft orbit planets, circle stars, and constantly move through the cosmos. Everything in space seems to be in motion. Yet hidden among the gravitational forces … Read more
Sending spacecraft across the solar system is far more challenging than launching them into orbit. Distances between planets are enormous. Traveling from Earth to distant worlds like Jupiter, Saturn, or Neptune requires incredible amounts of energy and fuel. If a spacecraft had to rely only on its own engines, many missions would become impossibly expensive … Read more
In 1977, humanity launched a spacecraft with a mission expected to last just a few years. No one imagined that nearly half a century later, it would still be alive—quietly whispering data back to Earth from a place no human-made object had ever reached before. That spacecraft is Voyager 1. Today, Voyager 1 is the … Read more
