Fast-spinning white star

Altair

Spins so fast, once every nine hours, that it bulges at the equator.

Drive there in 3D Could we live near Altair? Ask Elon

Distance: 16.7 light years
Surface: 7,397 °C
Size: 1.8 × the Sun

Outer layers

H 73%
He 25%
O, C, Fe and heavier 2%

Glowing hydrogen plasma

Modelled from typical stellar abundances

Nearby in the guide