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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Are galaxies part of constellations?
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Why doesn't the Moon get pulled into the Earth?
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How Much Should You Spend on a Moon Filter?
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What are the name and function of this apparatus
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What do you call rocks that don't orbit the sun?
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Calculating Orbital Velocity in 2D
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Kepler Telescope Running in Safe Mode
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Did Stars Precede Life in the Universe?
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Potential Organism Sustaining Planets
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How to contain an atmosphere in space?
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I've done it the wrong way roundn
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North & South Star: Polaris & Sirius
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How does dark matter affect planetary motion?
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Why the Earth orbits around the Sun
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Lowest/Highest mass of a star, star system
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Questions about the lifespan of the Earth
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Does antimatter have positive or negative mass?
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Can Cosmic Strings Align Black Holes?
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How Does Stellar Parallax Measure Distance?
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Initial Impetus Needed for Curved SpaceTime?
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The Falcon Landing: How Did They Do It?
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What can I expect to see with a 6inch mirror?
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Can Space-Time Rip? What Causes Tears & Healing?
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Day-related calculations for BC dates
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Gas Giants & Stars: Do They Have a Solid Part?
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Tidally Locked Planets: How Close to the Star?
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What Is the Lifespan of a Neutron Star?
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Is the Earth the centre of the universe?
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Why is the CMB relatively uniform?
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How was the KSN 2011d Supernova Detected?
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How come black holes have a mass?
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Why isn't water on the ISS dangerous?
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Pulsars and Neutron Stars debunked?
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Is the Expansion Rate Truly Accelerating?
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Why not the sun revolves around the Earth?
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Black Holes and Degenerate Pressure
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What do you see at the edge of the universe?
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Black Holes and Hawking radiation
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How Far Back Can We See with Better Optics?
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LIGO discovery on gravitational waves.
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Stars we see are actually their past?
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"Gravitational Compression in Neutron Stars"
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How Do Orbits Work?
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Zig Zag Star Movement in Singapore 2011
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Can a Black hole also be a wormhole?
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Light & Blackhole: Can Light Escape?
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What would happen if two stars collided?
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Space X falcon 9. Why return to the launch site?
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Into what is our universe expanding ?
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