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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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[WSS25] Mapping Solar Shadows and Celestial Objects in the Sky

CONTRIBUTED BY: Amaad Zaidi | 7 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Curated Data , Engineering , ...
1
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1.8K
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A new interstellar object: comet C/2025 N1 (ATLAS), (a.k.a. 3I/ATLAS and A11pl3Z)

CONTRIBUTED BY: Jeffrey Bryant | 7 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Curated Data , Events & Media , ...
1
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8.5K
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Astrolabe in 2D generating a movie of its motion

CONTRIBUTED BY: Gilmer Gary | 7 months ago BY: Gilmer Gary
Astronomy , Compilation , Geometry , Graphics and Visualization , ...
1
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1.7K
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Astrolabe in 3D generating a movie of its construction process

CONTRIBUTED BY: Gilmer Gary | 7 months ago BY: Gilmer Gary
Astronomy , Physics , Presentation and Notebooks , ...
1
REPLIES
1.5K
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Coelostat for solar observation - equations, graphics, & 3D print model

CONTRIBUTED BY: Gilmer Gary | 7 months ago BY: EDITORIAL BOARD
Staff Picks , 3D Printing , Astronomy , Geometry , ...
1
REPLIES
2.6K
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Modeling optimal observation points for Halley's comet via a geographic approach

CONTRIBUTED BY: Julia Gao | 7 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Curated Data , ...
1
REPLIES
1.6K
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Quadrant Astrolabe

CONTRIBUTED BY: Gilmer Gary | 7 months ago
Astronomy
0
REPLIES
1.2K
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Universal Astrolabe

CONTRIBUTED BY: Gilmer Gary | 7 months ago
Astronomy , Compilation , Geometry , Mathematica , Modeling , ...
0
REPLIES
1.3K
VIEWS

Mathematical Games 30: Measuring the Universe

CONTRIBUTED BY: Ed Pegg | 8 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Challenges , Demonstrations , ...
1
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2.5K
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Gravitational influence of Saturn's rings on its moons: a case for free granular flow

CONTRIBUTED BY: Troy Shinbrot | 8 months ago BY: Mauricio Rojas
Staff Picks , Astronomy , Dynamic Interactivity , ...
2
REPLIES
1.6K
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Is Planet-9 still viable? A new trans-Neptunian object challenges the orbital bias behind the theory

CONTRIBUTED BY: Jeffrey Bryant | 8 months ago BY: Daniel Lichtblau
Staff Picks , Astronomy , Curated Data , Graphics and Visualization , ...
2
REPLIES
6.1K
VIEWS

Code taking too long time to compute

QUESTION FROM: Ananth Krishna | 8 months ago BY: Gianluca Gorni
Algebra , Astronomy , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.7K
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Tidal effects in gravitational waves from neutron stars in scalar-tensor theories of gravity

CONTRIBUTED BY: Gastón Creci | 9 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Graphics and Visualization , ...
1
REPLIES
1.3K
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The uncontrolled re-entry of a large Soviet-era Venus probe KOSMOS-482 on May 10, 2025

CONTRIBUTED BY: Gosia Konwerska | 9 months ago BY: Jeffrey Bryant
Staff Picks , Astronomy , Curated Data , Events & Media , ...
3
REPLIES
4.4K
VIEWS

Beltane celebration, the Goseck circle and the solar calendar

CONTRIBUTED BY: Jose Martin-Garcia | 10 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Computational Humanities , Curated Data , ...
1
REPLIES
2.5K
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Mathematica Beyond Mathematics: The Wolfram Language in the Real. Supplementary material update

CONTRIBUTED BY: JOSÉ GUILLERMO SÁNCHEZ LEÓN | 10 months ago
Astronomy , Biological Sciences , Chemistry , Computer Science , ...
0
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1.3K
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Resumming Post-Minkowskian and Post-Newtonian gravitational waveform expansions

CONTRIBUTED BY: Andrea Cipriani | 10 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Mathematics , Physics , ...
1
REPLIES
1.2K
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From spin foams to area metric dynamics to gravitons: Hessian, Regge calculus, hypercubical lattice

CONTRIBUTED BY: Bianca Dittrich | 10 months ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Astronomy , Mathematics , Physics , ...
1
REPLIES
1.4K
VIEWS

Astronomy with Wolfram: spooky moon calendar

CONTRIBUTED BY: Denis Ivanov | 10 months ago BY: Jeffrey Bryant
Staff Picks , Astronomy , Curated Data , Dynamic Interactivity , ...
2
REPLIES
2.9K
VIEWS

Forward ray tracing and hot spots in Kerr spacetime

CONTRIBUTED BY: Lihang Zhou | 10 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Calculus , Graphics and Visualization , ...
1
REPLIES
18.1K
VIEWS
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319 Discussions

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ACTIVE MEMBERS
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Suhail Bachani
2 days ago
dara
Dara Shayda
5 days ago
bcbeckman
Brian Beckman
7 days ago
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Kwinten Fransen
9 days ago
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Donald Airey
14 days ago
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Jessica Alfonsi
1 month ago
gag0002
Gilmer Gary
1 month ago

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