Compare Stars

Looking for galaxies and nebulae instead? Deep sky object comparisons.

Side-by-side comparisons of stellar properties — size, temperature, luminosity, and more.

Featured Comparisons

Achernar vs Regulus

Aldebaran vs Antares

Alioth vs Dubhe

Alnilam vs Alnitak

Alnitak vs Mintaka

Alpheratz vs Denebola

Altair vs Achernar

Antares vs Betelgeuse

Arcturus vs Aldebaran

Arcturus vs Capella

Arcturus vs Pollux

Barnard's Star vs Proxima Centauri

Bellatrix vs Rigel

Canopus vs Rigel

Capella vs Arcturus

Capella vs Pollux

Denebola vs Merak

Enif vs Sadalsuud

Fomalhaut vs Vega

Kaus Australis vs Antares

Kornephoros vs Aldebaran

Mira vs Betelgeuse

Mirfak vs Algol

Polaris vs Algol

Polaris vs Mira

Polaris vs Vega

Pollux vs Castor

Procyon vs Sirius

Rigel vs Alnilam

Rigel vs Betelgeuse

Rigel vs Canopus

Rigil Kentaurus vs Barnard's Star

Rigil Kentaurus vs Proxima Centauri

Schedar vs Polaris

Sirius vs Betelgeuse

Sirius vs Canopus

Sirius vs Proxima Centauri

Spica vs Regulus

Vega vs Fomalhaut

More Comparisons

Sol vs Tau Phe Sol vs HIP 107 Sol vs The Oct Sol vs HIP 124 Sol vs 29 Psc Sol vs 30 Psc Sol vs 85 Peg Sol vs Zet Scl Sol vs 32 Psc Sol vs HIP 207 Sol vs 2 Cet Sol vs 9 Cas Sol vs HIP 343 Sol vs 3 Cet Sol vs HIP 377 Sol vs HIP 379 Sol vs HIP 418 Sol vs 33 Psc Sol vs 86 Peg Tau Phe vs HIP 107 Tau Phe vs The Oct Tau Phe vs HIP 124 Tau Phe vs 29 Psc Tau Phe vs 30 Psc Tau Phe vs 85 Peg Tau Phe vs Zet Scl Tau Phe vs 32 Psc Tau Phe vs HIP 207 Tau Phe vs 2 Cet Tau Phe vs 9 Cas Tau Phe vs HIP 343 Tau Phe vs 3 Cet Tau Phe vs HIP 377 Tau Phe vs HIP 379 Tau Phe vs HIP 418 Tau Phe vs 33 Psc Tau Phe vs 86 Peg HIP 107 vs The Oct HIP 107 vs HIP 124 HIP 107 vs 29 Psc HIP 107 vs 30 Psc HIP 107 vs 85 Peg HIP 107 vs Zet Scl HIP 107 vs 32 Psc HIP 107 vs HIP 207 HIP 107 vs 2 Cet HIP 107 vs 9 Cas HIP 107 vs HIP 343 HIP 107 vs 3 Cet HIP 107 vs HIP 377