Q&A with Anton Zeilinger, acclaimed quantum physicist

China’s Long March 6 rocket, fueled by a mixture of kerosene and liquid oxygen, successfully shot into orbit on its first mission Saturday with 20 small satellites, signaling a revolution in Chinese rocketry as the country prepares to test bigger boosters in the coming months.

A Chinese oceanography satellite designed to measure wave height and winds launched Monday aboard a Long March 4B rocket equipped with grid fins to help control the first stage’s descent back to Earth, an improvement aimed at keeping falling boosters away from Chinese villages.

The chief technology officer of SES, operator of the world’s largest commercial geostationary satellite fleet, spoke with reporters on the eve of the launch of the company’s SES 9 communications craft aboard a Falcon 9 rocket.