Imagine aliens finding the golden record only to search earth and find a floating sign in space saying “301 moved permanently”.
TL;DR
The concept of a stellar engine, as discussed on Kurzgesagt’s YouTube channel, proposes using thrusters to move our entire solar system. The Shkadov Thruster, a passive solar sail system, would harness the Sun’s energy to propel the system, but it would be extremely slow, potentially moving 100 light-years in 230 million years. To increase speed, astrophysicist Matthew Caplan designed an active engine using the Bussard ramjet concept, known as the Caplan Thruster, which could move the solar system 50 light-years in a million years. This engine uses the Sun’s materials for fusion propulsion, generating thrust to push the Sun.
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