“Let me mention that not all sun-like stars host planets - perhaps about 30% of them are planet-builders. It's not so easy to form a planet!” FormStarsEasySunPlanetsLet MeHostBuilder Author:Garik Israelian
“If you see, in the spectrum of a planet host star, strange chemical elements, it can be a signal from a civilization which is there.” IfsStarsStrangePlanetsCivilizationElementsChemistryChemicalsHostSignalsSpectrum Author:Garik Israelian
