Join in expert discussion on the topics of Astronomy and astrophysics. This may include discussion on celestial objects, space, and the physical universe as a whole. Mainstream science only.
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So why is space travel so hurdlesome again?
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Kepler's 3rd Law, geometric relationship?
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Another Earth-like system near us
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Do black holes radiate antimatter?
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Inclinations of star orbits in the Milky Way
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Can this be another reason for dark energy?
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Sidereal Time and the Arctic Circle
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Effect of the Sun's Gravity on the Moon
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Does gravity cause time dilation?
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Star trails and the Earth's movemement
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Will Michigan Ever Get An Eclipse
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Earth-Sun Lagrange Points Distance Query
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The Hottest Giant Planet Yet: 7800 degrees F.
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How do we know the size of the universe?
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Cepheid Variable Stars and Space-Time Warping
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Earth may owe its birth to a solar eruption
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Is it possible Earth is a black hole?
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The Early Universe and the Laws of Physics
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What is the true meaning of the Big Bang?
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The Earth's magnetic field and moon
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Celestial Mechanics: Eccentricity of Orbits
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Where have we looked, or are looking, for life?
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Finding Black Holes: Possible or Not?
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How do black holes attract light?
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Black hole mass and sigma (velocity dispersion)
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The Best Spot to Set Up a Colony on Mars
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Question about Hertzsprung-Russell-diagram
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Is There an Arctic Circle on the Moon?
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What are the applications of solar sails?
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Need Martian Regolith/Soil Simulant. JSC Mars-1
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How can gravity act on a photon?
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Light Travel Time: Seeing the Past?
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What Saturn’s moon, Pan looks like
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What is the vacuum at the Karman line?
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Are black holes perfect spheres?
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Dark Matter Stars: Burning Hot and Invisible
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Cepheid variable stars cause of light variance
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What is seen from the farthest star?
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How can the Universe grow if it is infinite?
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Generating Plausible Star Systems
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E=0. What Does That Mean for the Seasons?
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What fueled the Big Bang explosion?
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How long would remains be detectable?
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Our atmosphere and the rotating Earth
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Space news and events aggregator app
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Geology of Ceres illuminates origin of organics
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Finding the distance of two points from observer
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What part of the Moon am I looking at?
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