Sentences with phrase «first indirect observations»
Indeed, the very first indirect observations of gravitational waves were made with pulsars: it was found that their rotational energy was decreasing (they rotated more slowly over time), at exactly the rate that we would expect if they were shedding that energy by giving off gravitational waves!
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Those observations, using the ginormous Gemini 8 - meter telescope, were among the first exoplanets directly imaged (as opposed to inferred using indirect techniques), and they made up the first exoplanet solar system ever directly seen.