📅 MIT Science Bowl 2024🎓 HS🔄 Round 9#️⃣ Question 5🌟 BONUS✍️ Short Answer
To the nearest hundred kilometers per second, if a galaxy's H-alpha emission lines are observed at 627 nanometers, what velocity is the galaxy moving if unredshifted H-alpha lines are 626 nanometers?
✔️Answer:500
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