Science ❯ Astrophysics

Celestial Mechanics

Orbital Dynamics Trajectory Analysis Lunar Phases Eclipse Mechanics Comet Dynamics Comet Trajectories Non-Gravitational Acceleration Interstellar Objects Comet Behavior Cometary Dynamics

11 ARTICLES

last mo.

NASA Confirms 2027 Total Solar Eclipse Will Last About Six Minutes and 22–23 Seconds

The long-duration eclipse is set to cross the Atlantic into North Africa, southern Europe and the Middle East and is already driving safety and crowd plans.

10 ARTICLES

2mo ago

ALMA Reveals 3I/ATLAS Is Exceptionally Methanol‑Rich, Indicating a Heterogeneous Interstellar Comet

3 ARTICLES

4mo ago

Total Lunar Eclipse Turns Moon Red Overnight Across the Pacific, East Asia and the Americas

11 ARTICLES

4mo ago

JUICE Releases Best-Yet Image of Interstellar Comet 3I/ATLAS as Data Flow Begins

3 ARTICLES

5mo ago

Near-Full Moon Aligns Over Kaaba Tonight in Rare Lunar Culmination

8 ARTICLES

5mo ago

AI and Crowd Sleuths Home In on Rival Sites for the Long-Lost Luna 9 Lander

18 ARTICLES

5mo ago

February–March Sky Guide: Ring of Fire on Feb. 17, Six‑Planet Lineup on Feb. 28, Blood Moon on Mar. 3

3 ARTICLES

6mo ago

SPHEREx Detects 20-Fold Post-Perihelion Surge in Interstellar Comet 3I/ATLAS

3 ARTICLES

6mo ago

First Comet of 2026, C/2026 A1 (MAPS), Is on Course to Plunge Into the Sun on April 4

9 ARTICLES

6mo ago

Radio Search Finds No Signal From Interstellar Comet 3I/ATLAS as Hubble Images Twin Jets

10 ARTICLES

7mo ago

Sun-Facing Tail in Interstellar Comet 3I/ATLAS Reveals Wobbling Jets, Suggesting 15.5-Hour Rotation

7 ARTICLES

7mo ago

Hubble Spots Second Debris Cloud at Fomalhaut, Confirming Repeated Planetesimal Collisions

8 ARTICLES

7mo ago

MAVEN Still Silent as Data Point to Unexpected Spin and Possible Orbit Change

30 ARTICLES

7mo ago

Interstellar Comet 3I/ATLAS to Make Safe Closest Approach Friday at 167 Million Miles

Celestial Mechanics

NASA Confirms 2027 Total Solar Eclipse Will Last About Six Minutes and 22–23 Seconds

Total Solar Eclipse to Cross Spain, Iceland and Greenland on 12 August 2026

TESS Survey Identifies 27 Candidate Two‑Star Planets

Hubble Spots First Known Comet Spin Reversal

August 2, 2027 Total Solar Eclipse Will Be the Longest of the Century

Study Confirms DART Nudged Asteroid Pair’s Orbit Around the Sun

JWST Data Rules Out 2032 Lunar Impact by Asteroid 2024 YR4

ALMA Reveals 3I/ATLAS Is Exceptionally Methanol‑Rich, Indicating a Heterogeneous Interstellar Comet

Total Lunar Eclipse Turns Moon Red Overnight Across the Pacific, East Asia and the Americas

JUICE Releases Best-Yet Image of Interstellar Comet 3I/ATLAS as Data Flow Begins

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Celestial Mechanics

Near-Full Moon Aligns Over Kaaba Tonight in Rare Lunar Culmination

AI and Crowd Sleuths Home In on Rival Sites for the Long-Lost Luna 9 Lander

February–March Sky Guide: Ring of Fire on Feb. 17, Six‑Planet Lineup on Feb. 28, Blood Moon on Mar. 3

SPHEREx Detects 20-Fold Post-Perihelion Surge in Interstellar Comet 3I/ATLAS

First Comet of 2026, C/2026 A1 (MAPS), Is on Course to Plunge Into the Sun on April 4

Radio Search Finds No Signal From Interstellar Comet 3I/ATLAS as Hubble Images Twin Jets

Sun-Facing Tail in Interstellar Comet 3I/ATLAS Reveals Wobbling Jets, Suggesting 15.5-Hour Rotation

Hubble Spots Second Debris Cloud at Fomalhaut, Confirming Repeated Planetesimal Collisions

MAVEN Still Silent as Data Point to Unexpected Spin and Possible Orbit Change

Interstellar Comet 3I/ATLAS to Make Safe Closest Approach Friday at 167 Million Miles

Never miss stories about

Celestial Mechanics