If the Dust Around a Protostar Radiates Most Strongly at 30

question 43

Multiple Choice

If the dust around a protostar radiates most strongly at 30 microns or 30,000 nm, what is the approximate temperature of that dust? Hint: T in K = 3,000,000/wavelength in nm.

• A) 100,000 K
• B) 10,000 K
• C) 1000 K
• D) 100 K
• E) 10 K

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