Mr. Salbu spoke with The Wall Street Journal about maintaining a focus on technology while joining the top tier of business schools, why he isn't rushing to offer an online degree and why he wouldn't recommend students follow his lead in announcing his sexual orientation during job interviews.

WSJ: Vocal on Gay Issues, Dean Goes Beyond Classroom

These wheels help the probe maintain its "attitude", or orientation, in space without needlessly expending fuel by using thrusters to do the same job.

BBC: NEWS | Science/Nature | Asteroid probe 'did touch down'

"If members of our military can meet the qualifications for a job -- and let me be clear, I'm not talking about reducing the qualifications for the job -- if they can meet the qualifications for the job, then they should have the right to serve, regardless of creed or color or gender or sexual orientation, " he said.

CNN: How America's top general came to endorse women in combat