Astro Identifier

Planetary Scales (AU)

Galactic Topology (AL)

Cosmological Network (MAL)

1:1 Physical
Actual Physical Limit (1:1) Expansion x30,000
1 day/s
Pause ($v=0$) Phase Jump (Years/s)
🤖 AI Overview & Quick Study Reference Direct Core Definition (45 words)

AstroAtlas: 3D Interactive Planetarium & Deep-Space Astronomy

Interactive deep-space astronomical atlas mapping celestial coordinates (Right Ascension & Declination), stellar constellations, Hertzsprung-Russell stellar classifications, and Hubble cosmic expansion.

Governing Laws & Scientific Principles: Hubble-Lemaître Law, Hertzsprung-Russell Stellar Evolution, and Cosmological Redshift.
Target Educational Curriculum: High School, AP Physics, STEM College Undergraduate
LOGIDIAS Interactive Module

AstroAtlas: Cosmic Cartography & Galaxy Clusters

Educational & Scientific Guide

🔬 Scientific & Physical Foundations

Cosmological atlas spanning Earth and the Solar System to the Milky Way, Local Group, and cosmic web filaments.

🕹️ User & Experimentation Guide

Switch between planetary, interstellar, and extragalactic scale tiers to perceive cosmic dimensions.

Frequently Asked Questions (FAQ)

What is a light-year?

The distance traversed by light in vacuum over one year: 9.46 trillion km.

Where is our Sun located?

In the Orion Arm, 26,000 light-years from the Sagittarius A* galactic center.

What is the cosmic web?

The largest structure in the cosmos, sculpted by dark matter gravitational filaments.

MOD-14 • INTERACTIVE SCIENTIFIC EXTENSION & SELF-ASSESSMENT

Stellar Parallax, Parsec Distance & Absolute Magnitude (m - M) Calculator

📄 Open Solved Worksheet & Guide ➔
🎓 Middle & High School Astronomy🎓 Introductory Astrophysics Mathematical Principle & Governing Equations: d (pc) = 1 / p(″)  |  m − M = 5·log10(d) − 5
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1.4
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🎯 3 Self-Grading Practical Challenges (Instant Verification)

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#1.If a star has an annual parallax angle of p = 0.1 arcseconds (100 mas), what is its distance?
#2.In the O-B-A-F-G-K-M spectral sequence, which stars have the hottest surface temperatures?
#3.At what standard reference distance is a star's Absolute Magnitude (M) defined?