Astronomer Ejnar Hertzsprung was born #OTD in 1873.
Emoji Hertzsprung-Russell diagram:
🔵 🟦 🟥
🔵 🟧
⚪️ 🟨
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🟡🟡
⚬ ⚬ 🟠🟠
⚬ ⚬ ⚬ 🔴
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Post
Astronomer Ejnar Hertzsprung was born #OTD in 1873.
Emoji Hertzsprung-Russell diagram:
🔵 🟦 🟥
🔵 🟧
⚪️ 🟨
⚪️
🟡🟡
⚬ ⚬ 🟠🟠
⚬ ⚬ ⚬ 🔴
⚬ 🔴
⚫️
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