Compare Stars

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

100 Her vs 101 Aqr 100 Her vs 101 Her 100 Her vs 102 Her 100 Her vs 102Iot Tau 100 Her vs 102Ome1Aqr 100 Her vs 102Pi Psc 100 Her vs 102Ups Vir 100 Her vs 103 Aqr 100 Her vs 103Omi Her 100 Her vs 103 Tau 100 Her vs 104 Aqr 100 Her vs 104 Her 100 Her vs 104 Tau 100 Her vs 105 Her 100 Her vs 105Ome2Aqr 100 Her vs 105 Psc 100 Her vs 105 Tau 100 Her vs 106 Aqr 100 Her vs 106 Her 101 Aqr vs 101 Her 101 Aqr vs 102 Her 101 Aqr vs 102Iot Tau 101 Aqr vs 102Ome1Aqr 101 Aqr vs 102Pi Psc 101 Aqr vs 102Ups Vir 101 Aqr vs 103 Aqr 101 Aqr vs 103Omi Her 101 Aqr vs 103 Tau 101 Aqr vs 104 Aqr 101 Aqr vs 104 Her 101 Aqr vs 104 Tau 101 Aqr vs 105 Her 101 Aqr vs 105Ome2Aqr 101 Aqr vs 105 Psc 101 Aqr vs 105 Tau 101 Aqr vs 106 Aqr 101 Aqr vs 106 Her 101 Her vs 102 Her 101 Her vs 102Iot Tau 101 Her vs 102Ome1Aqr 101 Her vs 102Pi Psc 101 Her vs 102Ups Vir 101 Her vs 103 Aqr 101 Her vs 103Omi Her 101 Her vs 103 Tau 101 Her vs 104 Aqr 101 Her vs 104 Her 101 Her vs 104 Tau 101 Her vs 105 Her 101 Her vs 105Ome2Aqr