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Could orbital resonances avoid the eventual decay and coalescence or planets' orbits in a system?

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vengaq
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Will the universe eventually merge completely into a single, enormous BH

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Ricardo Nieto
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Angular resolution of naked eye at night; type of vision used

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How to measure the angle that defines the apparent rotation or orientation of the Moon’s face as seen from Earth?

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When will Earth be in perihelion in the year 3088?

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If dark energy increased suddenly, how would that affect gravitationally bound systems?

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Would an observer falling into a black hole ever be observable from the outside due to quantum effects?

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Edoardo Porro
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First scientific use of a CCD device for astronomical observation?

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Help understanding Baryon Acoustic Oscillations

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Would Mars be capable of maintaining a habitable atmosphere for a sufficiently long period of time (i.e. millions of years) if it had a magnetosphere?

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Practical strategies for calculating XSPEC errors?

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Expansion rates as seen from remote and local frames

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convert velocity from barycentric to LSRK

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agarza
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Can ambient radiation stabilize a star contracting on thermal timescale?

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