Polaris
the North Star · a pulsating supergiant
433 light-years from Earth
A Cepheid supergiant that breathes in and out every 4 days. Earth's axis happens to point almost straight at it, so the whole northern sky turns around it.
- 433 light-years · 1,260 times the Sun's luminosity
- kind
- star
- size
- 0.35 AU across