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Central region of the Abell 1689 galaxy cluster

cosmos

Hubble Ultra Deep Field

Galaxy Clusters

Local Group of Galaxies

Magellanic Clouds

Barred Spiral Galaxies

Edge-On Views of Spiral Galaxies

Cosmic Rings

Disrupted spiral arms of galaxy NGC 1672

milky way

Milky Way Galaxy

Milky Way Twins

Spiral Arms

Galactic Core

Orion Arm

Gould Belt

Orion Nebula

The disk of the Milky Way Galaxy




Trapezium Cluster

Local Bubble

Solar Neighborhood

Selected Nearby Stars

Comparative Sizes of Nearby Stars

The Sun's Back Yard



Belousov-Zhabotinsky reaction

exoplanets

Upsilon Andromedae system Three views of the Saturnian moon Titan in infrared light

star / planet tables

Index of Exoplanetary Topics

Detection Methods

Host Stars

Basic Planetology

Exoplanet Zoo

Evolution of Planetary Systems

System Architectures

Debris Disk Systems

Multiple Exoplanetary Systems

M Dwarf Systems

A-Type Systems

Binary Systems

Potential Exomoons

Mean Motion Resonance

Super Jupiter or Brown Dwarf?

pictorial

Nearby Exoplanetary Systems

From Black Clouds to White Dwarfs

Debris Disks

Binary Stars

Exomoons

Crowded Orbits

Multi-Planet Diagram

M Dwarf Diagram

Nearby Systems: 10 Parsecs

Nearby Systems: 20 Parsecs

Nearby Systems: 40 Parsecs

Exoplanets Within 20 Parsecs

Two-Planet Systems

Multi-Planet Systems

M Dwarf Systems

Retired A Star Systems

Sun-like Stars with Debris

Megajovian Planets



Tau Bootis b

exosystems

Triple star system Gliese 436 b

47 Ursae Majoris

55 Cancri

61 Virginis

83 Leonis

Alpha Centauri

Beta Pictoris

Epsilon Eridani

Epsilon Reticuli

Fomalhaut

Gamma Cephei

GJ 436

GJ 581

GJ 674

GJ 777

GJ 849

GJ 86

GJ 876

HD 128311

HD 181433

HD 217107

HD 37124

HD 40307

HD 69830

HD 74156

Mu Arae

Tau Ceti

Upsilon Andromedae

Vega



Earthrise over the Moon

solar system

Solar System

Orbital Architecture of the Solar System

Terrestrial Planets and Moons

Mars: Then and Now

Earth's global ocean

solar system

Asteroid Belt

Gas Giants and Ice Giants

Jupiter’s Galilean Moons

Martian horizon

resources

Glossary

References

Catalog of Nearby Exoplanets

Extrasolar Planets Encyclopaedia