The combination of the slow rocking back and forth of the moon called libration brings into view three lunar maria or "seas" that are normally hidden around the backside - Mare Humboldtianum, M.

Egeria’s close pass: Asteroid 13 Egeria passes less than a degree from 80 Virginis, making it easy to track its southwestward drift with a telescope or camera. Schickard in view: Before sunrise May 12 ...

The next full Moon is on Sunday, September 7th. That night, the Moon rises at 7:30 p.m. EDT. Here are the phases of the Moon for this lunar cycle: 🌕 Full Moon: September 7, 2:08 a.m. EDT 🌗 Third ...

As lunar exploration intensifies, the cislunar space is experiencing increasing congestion. Traditional two-body Keplerian elements, which have long been the standard for Earth-orbiting objects, prove ...

First, authors present the dynamical models and pursuit-evasion orbits used in this paper In this paper, the Earth-Moon rotating frame (EMR) and the circular restricted three body problem (CR3BP) is ...