If the Dust Around a Protostar Radiates Most Strongly at 30

question 102

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 or use Wien's Law.

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

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