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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Why does the universe look black?
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Sun's Position in Our Solar System
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What Is the Center in Sloan Digital Sky Survey?
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Sun's Companion Star: Nemesis Theory
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How close is 18 Scorpii, the other solar twin?
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The Earth, Moon and Sun's gavity game.
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The moon doesn`t rotate around it`s axis.
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Farthest Visible Star: Distance & Observation
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The most intnse solar strom in 50 years
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Are cosmic rays considered part of the EMS?
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Mission To Pluto Uses Jupiter To Speed Up?
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Hubble discovers two new satellites of Pluto
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Why Do Hubble Photos Have Black Squares?
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Why sun looks bigger in the evening?
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Spectra Graph: Definition & Examples
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Exploring Our Solar System: Gas and Debris
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Can Sound Be Heard on Other Planets?
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Why Do Galaxies Form Spiral Shapes?
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Solar System: Size, Planets & Comets
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What is a Black Hole Actually Made Of?
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Intro to Astronomy & Astrophysics
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Probe returning with asteroid rock sample
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Speed of light? Or velocity of free space?
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Center of Galaxys: Red Giant or Supernova?
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Mysterious Spin of the Moon: How Does it Change?
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What is the biggest star we know of?
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Lower mass = more elliptical orbit?
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Heard the moon is moving away from us
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Forming Planets & Life in Liquid Water
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Is NASA's Future Tied to Russian Spacecraft?
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Space-Time dimentions & plane of Sxistence
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Project in relation to Einstein on geo-reactors
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Saturn Satellites: Collapse & Reconstruction
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Identification of an object in the sky
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Stars move as the night progresses
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Confused on Orbits: Ellipses vs Circles
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Why Do Planets Rotate on Their Axis?
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What Makes Neutron Stars So Unique?
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Question: Mnemonic for classes of stars
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Water ice in crater at Martian north pole
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The path of our planetary bodies
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Meaning of Planet? Just 8 planets?
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Can a Black Hole create Supernova?
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The Big Bang: Matter Creation & Photons
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Infinite Galaxy: Can Our Universe Really End?
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Sirius - habitable orbit? (link)
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Balck hole within 20 light years?
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Earth's 'bigger cousin' detected
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How does other galaxies differ from out own?
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