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Universe Today
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Image Credit: Universe Today
New Study Examines How Extraterrestrial Civilizations Could Become “Stellarvores.”
- A team of researchers examines what Earth's level of technological development (aka. “technosphere”) will look like in the future.
- The Kardashev Scale establishes upper limits on the amount of stellar energy a civilization can harness - a “luminosity limit”.
- Haqq-Misra and his colleagues proposed a scenario for advanced civilizations, where they could turn to harvesting stellar mass itself, which could provide a way for a civilization to reach energy use scales beyond those envisioned by the Kardashev scale.
- The scenario could have implications for future SETI surveys.
- Maqq-Misra and his colleagues recommend that scientists observe accreting binaries to search for abnormal behavior, which could indicate technological activity.
- The Kardashev Scale reflects the assumption that civilizations and their energy needs will grow exponentially.
- The Kardashev Scale describes an upper-limit to the tradeoffs between exploration and exploitation.
- Future SETI surveys should examine “accreting binaries,” closely orbiting binary stars with mass flowing from one star to another.
- If humanity ever reaches the limit of how much energy it can harness from our Sun, it may turn to harvesting stellar mass itself.
- The Kardashev Scale was first proposed in 1964 and categorizes civilizations into Type I, II, and III in relation to the amount of energy they can harness.
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