📅 MIT Science Bowl Invitational 2020🎓 HS🔄 Round 3#️⃣ Question 8 TOSS UP✍️ Short Answer
Researchers at the MIT Kavli Institute use observations of the 21-centimeter spectroscopic line in order to better understand the early universe. What molecular element is the source of the 21-centimeter spectroscopic line?
✔️Answer:Hydrogen
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