Mike Shields II

Google Earth needs updating

As The Black Fox 🦊 says, “This changes everything ‼️”

A spacecraft launched nearly 50 years ago, powered by technology far less advanced than today’s simplest calculator, is about to reach an extraordinary milestone.

On November 18, Voyager 1 will become the first human-made object to be one light-day away from Earth—about 16.1 billion miles (25.9 billion km) from home. At that distance, even a message traveling at the speed of light takes a full day to reach the spacecraft.

That means communication is incredibly slow. If mission engineers send a command on Monday morning, they won’t receive Voyager’s response until Wednesday morning. Every instruction has to be carefully planned, with no possibility of instant troubleshooting.

Voyager 1 is racing through interstellar space at nearly 61,000 km/h, heading toward the constellation Ophiuchus. Around the year 40,272, it will pass within 1.7 light-years of the red dwarf star Gliese 445, long after its instruments have gone silent.

Its nuclear power source has steadily weakened over the decades, dropping from 470 watts at launch to roughly 220 watts today. To keep the mission alive, NASA has gradually switched off non-essential systems, leaving only a handful of scientific instruments operating.

Yet despite traveling farther than any spacecraft in history, Voyager 1 has covered just 0.0027% of the distance to Proxima Centauri, the nearest star beyond our Solar System. Even a light-day is only a tiny step across the vastness of space.

Attached to Voyager is the famous Golden Record—a collection of greetings in 55 languages, music, sounds from Earth, and a map showing our location in the galaxy. It was created as a message to any civilization that might encounter the spacecraft millions or even billions of years from now.

Humanity launched Voyager 1 in 1977, and nearly half a century later, it is still sending signals from the edge of interstellar space—a remarkable reminder of how far curiosity can travel.

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