Zincian daubreelite from the Kota-Kota and St. Mark's enstatite chondrites.
Zero to Integration in Eight Months, the Dawn Ground Data System Engineering Challenge
Zero Relative Radial Acceleration Cones and Controlled Motions Suitable for Formation Flying
Zero Placement for Discrete Time Systems
Zero-G Experiments of the BionicWingsat - A 2U-Cubesat with Deployable, Biologically-Inspired Wings
Yuri Il'ich Galperin (1932–2001)
Yuri Ilich Galperin: 70th Anniversary of His Birth
Year Later: A Report Card - Any Outside-the -Box Thinking
X-Ray Pulsar Signal Processing
X-Ray Pulsar/Multiple Measurement Information Fused Navigation
X-ray pulsar-based navigation : theory and applications
X-ray Pulsar-Based Navigation: Theories and Experiments
X-Ray Micro-Tomography Applied to Nasa's Materials Research: Heat Shields, Parachutes and Asteroids
X-ray Lithography Fabricated Microchannel Regenerators for Cryocoolers