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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.

Discussions List Discussions List

Astrolabe in 2D generating a movie of its motion

CONTRIBUTED BY: Gilmer Allen Gary | 9 hours ago BY: Gilmer Allen Gary
Astronomy , Compilation , Geometry , Graphics and Visualization , ...
1
REPLIES
59
VIEWS

Astrolabe in 3D generating a movie of its construction process

CONTRIBUTED BY: Gilmer Allen Gary | 9 hours ago BY: Gilmer Allen Gary
Astronomy , Physics , Presentation and Notebooks , ...
1
REPLIES
48
VIEWS

Coelostat for solar observation - equations, graphics, & 3D print model

CONTRIBUTED BY: Gilmer Allen Gary | 19 hours ago BY: EDITORIAL BOARD
Staff Picks , 3D Printing , Astronomy , Geometry , ...
1
REPLIES
53
VIEWS

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

CONTRIBUTED BY: Julia Gao | 1 day ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Curated Data , ...
1
REPLIES
92
VIEWS

Quadrant Astrolabe

CONTRIBUTED BY: Gilmer Allen Gary | 1 day ago
Astronomy
0
REPLIES
24
VIEWS

Universal Astrolabe

CONTRIBUTED BY: Gilmer Allen Gary | 1 day ago
Astronomy , Compilation , Geometry , Mathematica , Modeling , ...
0
REPLIES
30
VIEWS

Mathematical Games 30: Measuring the Universe

CONTRIBUTED BY: Ed Pegg | 6 days ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Challenges , Demonstrations , ...
1
REPLIES
115
VIEWS

Gravitational influence of Saturn's rings on its moons: a case for free granular flow

CONTRIBUTED BY: Troy Shinbrot | 21 days ago BY: Mauricio Rojas
Staff Picks , Astronomy , Dynamic Interactivity , ...
2
REPLIES
443
VIEWS

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

CONTRIBUTED BY: Jeffrey Bryant | 28 days ago BY: Daniel Lichtblau
Staff Picks , Astronomy , Curated Data , Graphics and Visualization , ...
2
REPLIES
3.3K
VIEWS

Code taking too long time to compute

QUESTION FROM: Ananth Krishna | 1 month ago BY: Gianluca Gorni
Algebra , Astronomy , Graphics and Visualization , Mathematics , ...
1
REPLIES
573
VIEWS

Tidal effects in gravitational waves from neutron stars in scalar-tensor theories of gravity

CONTRIBUTED BY: Gastón Creci | 2 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Graphics and Visualization , ...
1
REPLIES
627
VIEWS

The uncontrolled re-entry of a large Soviet-era Venus probe KOSMOS-482 on May 10, 2025

CONTRIBUTED BY: Gosia Konwerska | 2 months ago BY: Jeffrey Bryant
Staff Picks , Astronomy , Curated Data , Events & Media , ...
3
REPLIES
1.8K
VIEWS

Beltane celebration, the Goseck circle and the solar calendar

CONTRIBUTED BY: Jose Martin-Garcia | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Computational Humanities , Curated Data , ...
1
REPLIES
1K
VIEWS

Mathematica Beyond Mathematics: The Wolfram Language in the Real. Supplementary material update

CONTRIBUTED BY: JOSÉ GUILLERMO SÁNCHEZ LEÓN | 3 months ago
Astronomy , Biological Sciences , Chemistry , Computer Science , ...
0
REPLIES
517
VIEWS

Resumming Post-Minkowskian and Post-Newtonian gravitational waveform expansions

CONTRIBUTED BY: Andrea Cipriani | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Mathematics , Physics , ...
1
REPLIES
734
VIEWS

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

CONTRIBUTED BY: Bianca Dittrich | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Astronomy , Mathematics , Physics , ...
1
REPLIES
804
VIEWS

Astronomy with Wolfram: spooky moon calendar

CONTRIBUTED BY: Denis Ivanov | 3 months ago BY: Jeffrey Bryant
Staff Picks , Astronomy , Curated Data , Dynamic Interactivity , ...
2
REPLIES
1.3K
VIEWS

Forward ray tracing and hot spots in Kerr spacetime

CONTRIBUTED BY: Lihang Zhou | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Calculus , Graphics and Visualization , ...
1
REPLIES
9.8K
VIEWS

Graviton fluctuations in gravitational wave patterns: analysis via iterations

CONTRIBUTED BY: Noah MacKay | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Graphics and Visualization , Modeling , ...
1
REPLIES
1K
VIEWS

The stochastic mechanics of Hawking radiation

CONTRIBUTED BY: Noah MacKay | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Graphics and Visualization , Physics , ...
1
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20.8K
VIEWS
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302 Discussions

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ACTIVE MEMBERS ACTIVE MEMBERS

ACTIVE MEMBERS
gag0002
Gilmer Allen Gary
1 day ago
gaojulia01
Julia Gao
3 days ago
edp
Ed Pegg
6 days ago
jeffb
Jeffrey Bryant
1 month ago
ananthkrishna2020
Ananth Krishna
14 days ago
shinbrot
Troy Shinbrot
1 month ago
gfcrecikeinbaum
Gastón Creci
1 month ago

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