Bayer system
(astronomy) A method of stellar classification in which stars are assigned Greek letters (α, β, γ, etc.) in decreasing order of brightness.
The decayed remains of organic matter that has rotted into a natural fertilizer. / (UK) A medium in which one can cultivate plants. / (obsolete) A mixture; a compound.
The decade beginning in 1980 and ending in 1989.
simple past tense and past participle of tonk
天文学の授業で、彼は一つの星座の恒星に明るさの順でギリシャ文字（α、β、γなど）を割り当てる方式について説明した。
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★
