| Radius (estimate) | Answer | Type of Star | % Correct |
|---|---|---|---|
| 617,100,000 km | Betelgeuse | Red Supergiant | 86%
|
| 851,120 km | Alpha Centauri | G2 V | 63%
|
| 1,643,200 km | Vega | A0 V | 63%
|
| 54,890,000 km | Rigel | B type Supergiant | 61%
|
| 17,671,000 km | Arcturus | Red Giant | 58%
|
| 1,182,860 km | Sirius A | A1 V | 58%
|
| 49,395,000 km | Canopus | A9 V | 50%
|
| 1,420,533 km | Procyon | F5 V | 50%
|
| 5,200,000 km | Capella | G9 V | 39%
|
| 7,931,000 km | Achernar | B6 V | 28%
|