You detect an intense release of energy from deep space. A supernova ? Black holes colliding...
You detect an intense release of energy from deep space. A supernova ? Black holes colliding ? Who knows. What we do know is that we, on Earth, received a RMS electric field signal of 15 mV/m over a period of 10 minutes and we see visual evidence some kind of explosion 200 light-years away ( use 2.01018m ). Estimate the total energy output of that explosion.
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You detect an intense release of energy from deep space. A supernova ? Black holes colliding...
Before leaving Alpha Centauri, you change from the shuttle to a light speed interstellar cruiser and head out deep into the galaxy to visit another binary star system - but this one is composed...
Before leaving Alpha Centauri, you change from the shuttle to a light speed interstellar cruiser and head out deep into the galaxy to visit another binary star system - but this one is composed of dead stars! To occupy your waking travel time by reading about this star system in the "Outer Space Tourbook": Stars spend most of their lifetimes undergoing nuclear fusion in their cores, which is why they give off so much light. However, when the material necessary...
Before leaving Alpha Centauri, you change from the shuttle to a light speed interstellar cruiser and head out deep into the galaxy to visit another binary star system - but this one is composed of dead stars! To occupy your waking travel time by reading about this star system in the "Outer Space Tourbook": Stars spend most of their lifetimes undergoing nuclear fusion in their cores, which is why they give off so much light. However, when the material necessary...
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