Science ❯ Astronomy ❯ Astrophysics

Gravitational Interactions

Tidal Forces Planetary Migration Orbital Resonance Multi-Planetary Systems Planet X Neptune Eclipse Timing Analysis Star Orbits Galactic Motion Orbital Capture Gravitational Pull Jupiter Orbital Dynamics Mean-Motion Resonance Instability in Gas Disks Disk Dynamics Orbital Stability Orbital Mechanics Galaxy Dynamics

10 ARTICLES

last wk.

TESS Confirms Two Jupiter‑Sized Super‑Puff Planets

A peer‑reviewed study reports record‑low densities measured from transit‑timing variations using unique Antarctic transit observations, prompting proposals for JWST atmospheric spectroscopy.

11 ARTICLES

last mo.

Newly Cataloged Extreme Trans-Neptunian Object Challenges Planet Nine Hypothesis

Gravitational Interactions

TESS Confirms Two Jupiter‑Sized Super‑Puff Planets

TESS Survey Identifies 27 Candidate Two‑Star Planets

Large TESS Survey Finds Close-In Giant Planets Scarcer Around Evolved Stars

First Trans-Neptunian Object Found in 10:1 Neptune Resonance

Milky Way’s Fate Hinges on 50-50 Odds of Andromeda Collision

Newly Cataloged Extreme Trans-Neptunian Object Challenges Planet Nine Hypothesis