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Proxima Centauri b vs Barnard's Star vs The Sun vs Alpha Centauri A vs Procyon vs Altair vs Sirius a vs Rigel vs Deneb vs Antares a vs Betelgeuse vs Mu Cephei vs UY Scuti vs Quasi Star size comparison — Compare Sizes
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Proxima Centauri b vs Barnard's Star vs The Sun vs Alpha Centauri A vs Procyon vs Altair vs Sirius a vs Rigel vs Deneb vs Antares a vs Betelgeuse vs Mu Cephei vs UY Scuti vs Quasi Star size comparison

This comparison shows 14 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

Dimensions (height × width × depth)
ObjectAs enteredCentimetresInches
Proxima Centauri b19,113 × 19,113 × 19,113 km1,911,300,000 × 1,911,300,000 × 1,911,300,000 cm752,480,315 × 752,480,315 × 752,480,315 in
Barnard's Star169,000 × 169,000 × 169,000 mi27,197,913,600 × 27,197,913,600 × 27,197,913,600 cm10,707,840,000 × 10,707,840,000 × 10,707,840,000 in
The Sun1,400,000 × 1,400,000 × 1,400,000 km140,000,000,000 × 140,000,000,000 × 140,000,000,000 cm55,118,110,236 × 55,118,110,236 × 55,118,110,236 in
Alpha Centauri A1,056,000 × 1,056,000 × 1,056,000 mi169,946,726,400 × 169,946,726,400 × 169,946,726,400 cm66,908,160,000 × 66,908,160,000 × 66,908,160,000 in
Procyon1,770,000 × 1,770,000 × 1,770,000 mi284,853,888,000 × 284,853,888,000 × 284,853,888,000 cm112,147,200,000 × 112,147,200,000 × 112,147,200,000 in
Altair2,800,000 × 2,800,000 × 2,800,000 km280,000,000,000 × 280,000,000,000 × 280,000,000,000 cm110,236,220,472 × 110,236,220,472 × 110,236,220,472 in
Sirius a2,380,000 × 2,380,000 × 2,380,000 km238,000,000,000 × 238,000,000,000 × 238,000,000,000 cm93,700,787,402 × 93,700,787,402 × 93,700,787,402 in
Rigel108,000,000 × 108,000,000 × 108,000,000 km10,800,000,000,000 × 10,800,000,000,000 × 10,800,000,000,000 cm4,251,968,503,937 × 4,251,968,503,937 × 4,251,968,503,937 in
Deneb282,000,000 × 282,000,000 × 282,000,000 km28,200,000,000,000 × 28,200,000,000,000 × 28,200,000,000,000 cm11,102,362,204,724 × 11,102,362,204,724 × 11,102,362,204,724 in
Antares a1,250,000,000 × 1,250,000,000 × 1,250,000,000 km125,000,000,000,000 × 125,000,000,000,000 × 125,000,000,000,000 cm49,212,598,425,197 × 49,212,598,425,197 × 49,212,598,425,197 in
Betelgeuse1,300,000,000 × 1,300,000,000 × 1,300,000,000 km130,000,000,000,000 × 130,000,000,000,000 × 130,000,000,000,000 cm51,181,102,362,205 × 51,181,102,362,205 × 51,181,102,362,205 in
Mu Cephei1,750,000,000 × 1,750,000,000 × 1,750,000,000 km175,000,000,000,000 × 175,000,000,000,000 × 175,000,000,000,000 cm68,897,637,795,276 × 68,897,637,795,276 × 68,897,637,795,276 in
UY Scuti2,400,000,000 × 2,400,000,000 × 2,400,000,000 km240,000,000,000,000 × 240,000,000,000,000 × 240,000,000,000,000 cm94,488,188,976,378 × 94,488,188,976,378 × 94,488,188,976,378 in
Quasi Star10,000,000,000 × 10,000,000,000 × 10,000,000,000 km1,000,000,000,000,000 × 1,000,000,000,000,000 × 1,000,000,000,000,000 cm393,700,787,401,575 × 393,700,787,401,575 × 393,700,787,401,575 in

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