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

CONTRIBUTED BY: Gilmer Gary | 3 months ago BY: EDITORIAL BOARD
Staff Picks , 3D Printing , Astronomy , Geometry , ...
1
REPLIES
1.4K
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Modeling optimal observation points for Halley's comet via a geographic approach

CONTRIBUTED BY: Julia Gao | 3 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Curated Data , ...
1
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1.1K
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Quadrant Astrolabe

CONTRIBUTED BY: Gilmer Gary | 3 months ago
Astronomy
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REPLIES
830
VIEWS

Universal Astrolabe

CONTRIBUTED BY: Gilmer Gary | 3 months ago
Astronomy , Compilation , Geometry , Mathematica , Modeling , ...
0
REPLIES
877
VIEWS

Mathematical Games 30: Measuring the Universe

CONTRIBUTED BY: Ed Pegg | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Challenges , Demonstrations , ...
1
REPLIES
1.5K
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Gravitational influence of Saturn's rings on its moons: a case for free granular flow

CONTRIBUTED BY: Troy Shinbrot | 4 months ago BY: Mauricio Rojas
Staff Picks , Astronomy , Dynamic Interactivity , ...
2
REPLIES
1.1K
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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 | 4 months ago BY: Daniel Lichtblau
Staff Picks , Astronomy , Curated Data , Graphics and Visualization , ...
2
REPLIES
5K
VIEWS

Code taking too long time to compute

QUESTION FROM: Ananth Krishna | 4 months ago BY: Gianluca Gorni
Algebra , Astronomy , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.1K
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Tidal effects in gravitational waves from neutron stars in scalar-tensor theories of gravity

CONTRIBUTED BY: Gastón Creci | 5 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Graphics and Visualization , ...
1
REPLIES
963
VIEWS

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

CONTRIBUTED BY: Gosia Konwerska | 5 months ago BY: Jeffrey Bryant
Staff Picks , Astronomy , Curated Data , Events & Media , ...
3
REPLIES
3.2K
VIEWS

Beltane celebration, the Goseck circle and the solar calendar

CONTRIBUTED BY: Jose Martin-Garcia | 6 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Computational Humanities , Curated Data , ...
1
REPLIES
1.7K
VIEWS

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

CONTRIBUTED BY: JOSÉ GUILLERMO SÁNCHEZ LEÓN | 6 months ago
Astronomy , Biological Sciences , Chemistry , Computer Science , ...
0
REPLIES
1K
VIEWS

Resumming Post-Minkowskian and Post-Newtonian gravitational waveform expansions

CONTRIBUTED BY: Andrea Cipriani | 6 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 | 6 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 | 6 months ago BY: Jeffrey Bryant
Staff Picks , Astronomy , Curated Data , Dynamic Interactivity , ...
2
REPLIES
2.1K
VIEWS

Forward ray tracing and hot spots in Kerr spacetime

CONTRIBUTED BY: Lihang Zhou | 6 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Calculus , Graphics and Visualization , ...
1
REPLIES
17.3K
VIEWS

Graviton fluctuations in gravitational wave patterns: analysis via iterations

CONTRIBUTED BY: Noah MacKay | 6 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Graphics and Visualization , Modeling , ...
1
REPLIES
1.4K
VIEWS

The stochastic mechanics of Hawking radiation

CONTRIBUTED BY: Noah MacKay | 6 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Graphics and Visualization , Physics , ...
1
REPLIES
21.5K
VIEWS

Partial solar eclipse on March 29, 2025: visible in parts of the northern hemisphere

CONTRIBUTED BY: Jeffrey Bryant | 7 months ago BY: Danny Finn
Staff Picks , Astronomy , Curated Data , Events & Media , Geometry , ...
2
REPLIES
2.7K
VIEWS

Coronal holes on the Sun indicate upcoming acceleration in solar wind speed

CONTRIBUTED BY: Jeffrey Bryant | 7 months ago BY: EDITORIAL BOARD
Staff Picks , Astronomy , Events & Media , ...
1
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2.4K
VIEWS
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306 Discussions

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ACTIVE MEMBERS ACTIVE MEMBERS

ACTIVE MEMBERS
jeffb
Jeffrey Bryant
8 days ago
akram2007omar
Akram Masoud
8 days ago
p23ph0018
Yogeesh N
27 days ago
gag0002
Gilmer Gary
8 days ago
nicolavittorio
Nicola Vittorio
1 month ago
rexseemela
Modise Seemela
1 month ago
lucamorf
Luca Morf
2 months ago

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