Highly Ionized Nitrogen in the Galactic Halo

Highly nonstationary accretion onto magnetized neutron stars

Highly oxidized and metamorphosed chondritic or igneous (?) clasts in the CV3 carbonaceous chondrite Mokoia - Excavated material from the interior of the CV3 asteroid or previously unsampled asteroid

Highly Parallel Sparse Matrix-Matrix Multiplication

Highly perturbed periodic oscillations around a small primary

Highly Porous and Compositionally Intermediate Ordinary Chondrite LAP 031047

Highly Resolved X-ray Spectra from Galactic Objects with Chandra

Highly robust error correction by convex programming

Highly Scalable Algorithms for Robust String Barcoding

Highly sensitive large-area bolometers for scintillation studies below 100 mK (from near IR to soft x rays)

Highly sensitive silicon photodetectors with internal discrete amplification

Highly Siderophile Element Constraints on Accretion and Differentiation of the Earth-Moon System

Highly Siderophile Elements and Osmium Isotope Systematics in Ureilites: Are the Carbonaceous Veins Primary Components?

Highly Silicic Compositions on the Moon

Highly stable and cost-effective instrumentation for the study of primary cosmic rays

Highly Survivable Avionics Systems for Long-Term Deep Space Exploration

Highly Undecidable Problems about Recognizability by Tiling Systems

Highly Undecidable Problems For Infinite Computations

Highly-Concurrent Doubly-Linked Lists

Highly-penetrating Radiation and Cosmical Physics