Science ❯Astronomy

Celestial Mechanics

Orbital Dynamics Lunar Phases Planetary Orbits Gravitational Interactions Planetary Motion Gravitational Forces Earth-Moon-Sun Alignment Comets Moon's Orbit Moon Gravitational Assists Gravity Assist Moon Orbit Gravity Assists Moon Phases Eclipses Earth's Orbit Syzygy Asteroids Gravitational Scattering Gravitational Phenomena Earth-Moon-Sun Relationships Earth's Atmosphere Eclipse Visibility Orbital Alignments Planetary Inclination YORP Effect Moon-Sun-Earth Alignment Eclipse Predictions Leap Years Solar Eclipses Eclipse Mechanics Timekeeping Gravitational Dynamics Earth's Rotation Asteroid Dynamics Asteroid Impact Eclipse Cycles Lunar Nodes Earth-Moon-Sun System Gravitational Capture Perihelion Orbital Path Binary Systems Earth-Moon System Dynamical Astronomy Seasons Moons Ecliptic Plane Moon Formation

Uranus’ Day Found to Be 28 Seconds Longer Than Previously Measured

Asteroid 2024 YR4 Ruled Out as Earth Threat, Moon Impact Still Possible

Vacheron Constantin Unveils World's Most Complicated Wristwatch at Watches & Wonders 2025

Partial Solar Eclipse to Grace Northern Hemisphere Skies Today

Partial Solar Eclipse to Grace Skies on March 29

Germany Prepares for Partial Solar Eclipse on March 29 During Nationwide Astronomy Day

Lunar Eclipse Turns Moon Red in Rare Celestial Event

March Lunar Eclipse to Showcase 'Blood Moon' for Western Hemisphere Observers

Total Lunar Eclipse to Illuminate Skies on March 13-14

Astronomers Identify X-Ray Signal as Evidence of Planet Destroyed by White Dwarf

Rare Seven-Planet Alignment Visible This Week

NASA Supercomputer Reveals Spiral Structure in Solar System’s Outer Edge

Rare Planetary Parade of Seven Planets Peaks on February 28

February 2025 Sky Highlights: Venus, Jupiter, Mars, and Rare Lunar Occultations

Elon Musk's Tesla Roadster Mistaken for Asteroid by Astronomers

Ancient Interstellar Object May Have Reshaped Solar System's Planetary Orbits

Rare Planetary Alignment Offers Stunning Night Sky Views Through February

New 'Kiss and Capture' Theory Explains Pluto and Charon's Formation

Pluto and Charon's Formation Explained by 'Kiss and Capture' Collision

Earth Reaches Closest Point to the Sun Today, But Northern Hemisphere Remains Cold

NASA's Lucy Spacecraft Executes Second Earth Gravity Assist

Interstellar Object May Have Shaped Planetary Orbits in Early Solar System

Scientists Identify Two Distinct Types of Newly Discovered 'Dark Comets'

Study Explores Potential for Rogue Planets to Join Solar System

Earth's Temporary 'Mini Moon' Departs After Two-Month Stay

Astronomers Discover Youngest Transiting Exoplanet Ever Observed

NASA's Perseverance Captures 'Googly Eye' Eclipse on Mars

Rare Celestial Event: Supermoon and Comet Illuminate Night Sky

Astronomers Unveil Twin Brown Dwarfs Solving Decades-Old Mystery

Supermassive Black Hole Unleashes Star's Debris on Nearby Celestial Body

Two Comets to Illuminate Fall Skies, Offering Rare Celestial Show

Earth Temporarily Captures Mini-Moon 2024 PT5

Earth to Host Temporary Mini Moon Until November

Earth to Temporarily Capture a 'Mini-Moon' This Weekend

Earth to Temporarily Gain a Second Moon

September Equinox Marks Seasonal Shift and Potential for Intense Northern Lights

Earth to Temporarily Gain a 'Mini-Moon' Starting September 29

BepiColombo Captures Unprecedented Mercury Flyby Images

NASA's DART Mission May Create First Human-Made Meteor Shower

Astronomers Track Star's Ongoing Struggle with Supermassive Black Hole

Asteroid Deflection Mission Debris Could Reach Earth and Mars

ESA's Juice Spacecraft Executes Historic Lunar-Earth Flyby

Gaia Telescope Uncovers Hidden Moons Around Hundreds of Asteroids

Mercury Retrograde 2024: Understanding the Celestial Illusion

Kepler's 1607 Sunspot Drawings Illuminate Solar Cycle Mysteries

NASA's Lucy Discovers Complex History of Asteroid Dinkinesh and Its Binary Moon Selam