Create a system - 4
We will create our fourth system!
Now, we will choose our spectral classification. ( Lowest to highest temperature i believe! )
Y, T, L, M, K, G, F, A, B, O
( G type stars are the same type as sol! )
Next, we name it! Please dont use numbers, and be original!
用iOS/Android应用程序绘制你的原创动漫