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Group Abstract Group Abstract

«Groups Astronomy Evolution, physics, chemistry, meteorology, and motion of celestial objects, formation and development of the universe, astrophotography, astrophysics, cosmology, and astronomical instruments.

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Parade of planets: celestial maps for when & where to see rare planetary alignment early June 2024

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An Experiment to test General Relativity: Changing the speed of light by Electromagnetic Interaction

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Scattering cross-section analysis for self-interacting dark matter

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Solar system mandalas: create intricate emergent patterns from the positions of planets & asteroids

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Port HEALPix to Mathematica?

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Sympathetic solar flare and geoeffective coronal mass ejection

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T Coronae Borealis - about to go nova....again

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Extended black hole thermodynamics from extended Iyer-Wald formalism

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Eclipses and conic sections

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Singularity at the demise of a black hole

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From Ukraine: photo and map of the solar eclipse Mar 20, 2015

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Path of the total 2017 solar eclipse across US

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Active Members jeffb Jeffrey Bryant 1 day ago gladishdean Dean Gladish 11 days ago julianvegt Wim Vegt 21 days ago utkarshp Utkarsh Patel 1 month ago xiaoyong Yong Xiao 2 months ago bradklee Brad Klee 13 days ago lenartalenart Aleksander Lenart 3 months ago Items per Page 7 1

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