Natural Satellites

Moon The Moon Moons Minimoons Luna Moon Characteristics Nereid Moon Discovery S/2025 U 1 Exomoons Contact Binary Moons

Study Suggests Nereid Is Neptune’s Last Intact Original Moon

JWST spectra and dynamical models imply Nereid was pushed into its eccentric orbit during Triton’s capture, making it a testable relic of Neptune’s original satellite system.

11 ARTICLES

3mo ago

Tonight: Crescent Moon Sits Between Venus and Jupiter in the Western Twilight

7 ARTICLES

4mo ago

Venus Brushes Uranus a Day After Moon-Jupiter Show

6 ARTICLES

8mo ago

Astronomers Report Tentative Exomoon Around HD 206893 B Using Precision Astrometry