1. The hottest star in the Orion Nebula has a surface temperature of 40,000 K. At what wavelength… 1 answer below »

1. The hottest star in the Orion Nebula has a surface temperature of 40,000 K. At what wavelength does it radiate the most energy? (Hint: See Wien’s law, Chapter 6.) 2. An O star with a lifetime of 0.5 million years drifts away from its birthplace in the center of a molecular cloud at a speed of 10 km/s. If the cloud has a diameter of 10 pc, can the O star escape the cloud while the star is still on the main sequence?      

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