Likely origins of black hole collision with 'squashed' orbital path revealed

Scientists have begun to unravel the origin story of a cataclysmic collision between two black holes, which seem to have met ...

New study rules out binary hardening as cause of Dimorphos's orbital period drop

A new study has challenged a popular explanation for the unexpected 30-second shortening of Dimorphos's orbital period. The ...
The Regulatory Review

Orbital Debris Mitigation Guidelines

Several satellite companies—including SpaceX, Project Kuiper, OneWeb, Telesat, and Guowang—are designing “mega-constellations ...
SciELO

A brief introduction to molecular orbital theory of simple polyatomic molecules for undergraduate chemistry students

A simple, four-step method for better introducing undergraduate students to the fundamentals of molecular orbital (MO) theory of the polyatomic molecules H2O, NH3, BH3 and SiH4 using group theory is ...