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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 | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Curated Data , Engineering , ...
1
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1.4K
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A new interstellar object: comet C/2025 N1 (ATLAS), (a.k.a. 3I/ATLAS and A11pl3Z)

CONTRIBUTED BY: Jeffrey Bryant | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Curated Data , Events & Media , ...
1
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7.4K
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Astrolabe in 2D generating a movie of its motion

CONTRIBUTED BY: Gilmer Gary | 4 months ago BY: Gilmer Gary
Astronomy , Compilation , Geometry , Graphics and Visualization , ...
1
REPLIES
1.4K
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Astrolabe in 3D generating a movie of its construction process

CONTRIBUTED BY: Gilmer Gary | 4 months ago BY: Gilmer Gary
Astronomy , Physics , Presentation and Notebooks , ...
1
REPLIES
1.2K
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Coelostat for solar observation - equations, graphics, & 3D print model

CONTRIBUTED BY: Gilmer Gary | 4 months ago BY: EDITORIAL BOARD
Staff Picks , 3D Printing , Astronomy , Geometry , ...
1
REPLIES
1.6K
VIEWS

Modeling optimal observation points for Halley's comet via a geographic approach

CONTRIBUTED BY: Julia Gao | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Curated Data , ...
1
REPLIES
1.3K
VIEWS

Quadrant Astrolabe

CONTRIBUTED BY: Gilmer Gary | 4 months ago
Astronomy
0
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1K
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Universal Astrolabe

CONTRIBUTED BY: Gilmer Gary | 4 months ago
Astronomy , Compilation , Geometry , Mathematica , Modeling , ...
0
REPLIES
1K
VIEWS

Mathematical Games 30: Measuring the Universe

CONTRIBUTED BY: Ed Pegg | 5 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Challenges , Demonstrations , ...
1
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1.7K
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Gravitational influence of Saturn's rings on its moons: a case for free granular flow

CONTRIBUTED BY: Troy Shinbrot | 5 months ago BY: Mauricio Rojas
Staff Picks , Astronomy , Dynamic Interactivity , ...
2
REPLIES
1.2K
VIEWS

Is Planet-9 still viable? A new trans-Neptunian object challenges the orbital bias behind the theory

CONTRIBUTED BY: Jeffrey Bryant | 5 months ago BY: Daniel Lichtblau
Staff Picks , Astronomy , Curated Data , Graphics and Visualization , ...
2
REPLIES
5.2K
VIEWS

Code taking too long time to compute

QUESTION FROM: Ananth Krishna | 5 months ago BY: Gianluca Gorni
Algebra , Astronomy , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.4K
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Tidal effects in gravitational waves from neutron stars in scalar-tensor theories of gravity

CONTRIBUTED BY: Gastón Creci | 6 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Graphics and Visualization , ...
1
REPLIES
1K
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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 | 6 months ago BY: Jeffrey Bryant
Staff Picks , Astronomy , Curated Data , Events & Media , ...
3
REPLIES
3.6K
VIEWS

Beltane celebration, the Goseck circle and the solar calendar

CONTRIBUTED BY: Jose Martin-Garcia | 7 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Computational Humanities , Curated Data , ...
1
REPLIES
1.9K
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Mathematica Beyond Mathematics: The Wolfram Language in the Real. Supplementary material update

CONTRIBUTED BY: JOSÉ GUILLERMO SÁNCHEZ LEÓN | 7 months ago
Astronomy , Biological Sciences , Chemistry , Computer Science , ...
0
REPLIES
1.1K
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Resumming Post-Minkowskian and Post-Newtonian gravitational waveform expansions

CONTRIBUTED BY: Andrea Cipriani | 7 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Mathematics , Physics , ...
1
REPLIES
1K
VIEWS

From spin foams to area metric dynamics to gravitons: Hessian, Regge calculus, hypercubical lattice

CONTRIBUTED BY: Bianca Dittrich | 7 months ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Astronomy , Mathematics , Physics , ...
1
REPLIES
1.1K
VIEWS

Astronomy with Wolfram: spooky moon calendar

CONTRIBUTED BY: Denis Ivanov | 7 months ago BY: Jeffrey Bryant
Staff Picks , Astronomy , Curated Data , Dynamic Interactivity , ...
2
REPLIES
2.3K
VIEWS

Forward ray tracing and hot spots in Kerr spacetime

CONTRIBUTED BY: Lihang Zhou | 7 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Calculus , Graphics and Visualization , ...
1
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17.5K
VIEWS
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Group Count Group Count

309 Discussions

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ACTIVE MEMBERS ACTIVE MEMBERS

ACTIVE MEMBERS
asinhaiisc
Aninda Sinha
3 days ago
jeffb
Jeffrey Bryant
3 days ago
julianvegt
Wim Vegt
6 days ago
bhdayton
Barry H Dayton
25 days ago
akram2007omar
Akram Masoud
1 month ago
p23ph0018
Yogeesh N
2 months ago
gag0002
Gilmer Gary
14 days ago

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