·

·

·

·

Sections

Catalogues

Tools and Links

Concepts

Index

Life at the Vernal Equinox

The Sun, Venus and Mercury

The First Point of Aries

Seeing a Light Year

Illustration of a Red Giant

A Typical K-type Star

The Northern Ecliptic Pole in Draco

Location of the Galactic Centrepoint

Location of the Vernal Equinox

The Sky at the Northern Celestial Pole

Diagram of the Northern Celestial Pole

Location of the First Point of Aries

The Milky Way

Location of the Northern Celestial Pole

Part of the Hyades in Taurus

Image of the Summer Solstice

Relative Galactic Position of the Northern Celestial Pole

A

B

Bright Star Catalog

Barred Spiral Galaxy

Bright Yellow Stars

Bayer Designation

C

D

Deep Near Infrared Survey of the Southern Sky

Disc, Circumstellar

E

Earth-mass Planet

Elliptical Galaxy

Equinox, Vernal

Emission Nebula

Equator, Celestial

Ecliptic Pole, Northern

Equinox, Autumnal

Extrasolar Planet

F

First Point of Aries

Family, Constellation

Flamsteed Numbers

G

H

Henry Draper Catalogue

Heavenly Waters Family

Hercules Family

Hubble Classification

I

Index Catalogue

Irregular Galaxy

Inner Solar System

Interstellar Medium

J

K

Kepler Input Catalog

Kepler Object of Interest

Kuiper Belt, Classical Object

L

La Caille Family

Lenticular Galaxy

M

Meridian, Celestial

Magnitude, Absolute

Messier Catalogue

Magnitude, Apparent

Main Sequence Stars

Magellanic Clouds

N

O

Orbital Eccentricity

Orbital Inclination

Optical Gravitational Lensing Experiment

P

Q

Quadrant, Celestial

R

Reflection Nebula

Right Ascension

S

T

Tertiary System

Terrestrial Planets

U

Ursa Major Cluster

Ursa Major Family

V

Variable Stars, Pulsating

W

Winter Solstice

Y

Yellow Stars (G-type)

Yellow Stars (F-type)

Z

A

Absolute Magnitude

Absolute Temperature

Absorption Nebula

Apparent Magnitude

Arcturian Stars

Aries, First Point of

Arm, Sagittarius

Arm, Scutum-Crux

Astronomical Unit

Autumnal Equinox

B

Barred Spiral Galaxy

Bayer Designation

Bright Star Catalog

Bright Yellow Stars

C

Caldwell Catalogue

Canes Venatici Cloud

Canes Venatici I Group

Celestial Equator

Celestial Meridian

Celestial Pole, Northern

Celestial Pole, Southern

Celestial Quadrant

Celestial Quadrant NQ1

Celestial Quadrant NQ2

Celestial Quadrant NQ3

Celestial Quadrant NQ4

Celestial Quadrant SQ1

Celestial Quadrant SQ2

Celestial Quadrant SQ3

Celestial Quadrant SQ4

Celestial Sphere

Circumstellar Disc

Classical Kuiper Belt Object

Cluster, Galactic

Cluster, Globular

Cluster, Ursa Major

Cluster of Galaxies

Collinder Catalogue

Constellation Family

Cosmic Background Radiation

D

Deep Near Infrared Survey of the Southern Sky

Disc, Circumstellar

E

Earth-mass Planet

Ecliptic Pole, Northern

Elliptical Galaxy

Emission Nebula

Equator, Celestial

Equinox, Autumnal

Equinox, Vernal

Extrasolar Planet

F

Family, Constellation

First Point of Aries

Flamsteed Numbers

G

Galactic Cluster

Galactic Nucleus

Galactic Pole, Northern

Globular Cluster

Gravitational Lensing

Green Bank Equation

Group of Galaxies

H

Heavenly Waters Family

Henry Draper Catalogue

Hercules Family

Hubble Classification

I

Index Catalogue

Inner Solar System

Interstellar Medium

Irregular Galaxy

J

K

Kepler Input Catalog

Kepler Object of Interest

Kuiper Belt, Classical Object

L

La Caille Family

Lenticular Galaxy

M

Magellanic Clouds

Magnitude, Absolute

Magnitude, Apparent

Main Sequence Stars

Meridian, Celestial

Messier Catalogue

N

Nebula, Absorption

Nebula, Emission

Nebula, Planetary

Nebula, Reflection

New General Catalogue

North Polar Sequence

Northern Celestial Pole

Northern Ecliptic Pole

Northern Galactic Pole

NQ1, Celestial Quadrant

NQ2, Celestial Quadrant

NQ3, Celestial Quadrant

NQ4, Celestial Quadrant

Nubeculae Magellani

O

Optical Gravitational Lensing Experiment

Orbital Eccentricity

Orbital Inclination

P

Pale Yellow Stars

Parallax Second

Planetary Nebula

Planets, Earth-mass

Planets, Jovian

Planets, Terrestrial

Precession Circle

Pulsating Variable

Q

Quadrant, Celestial

R

Reflection Nebula

Right Ascension

S

Sagittarius Arm

Schwarzchild Radius

Scutum-Centaurus Arm

Scutum-Crux Arm

Semi-Major Axis

Sidereal Period

Solar System, Inner

Solstice, Summer

Solstice, Winter

Southern Celestial Pole

Southern Ecliptic Pole

Spectral Classification

SQ1, Celestial Quadrant

SQ2, Celestial Quadrant

SQ3, Celestial Quadrant

SQ4, Celestial Quadrant

Star-forming Region

Stellar Nursery

Stellar Parallax

Summer Solstice

T

Terrestrial Planets

Tertiary System

U

Ursa Major Cluster

Ursa Major Family

V

Variable Stars, Pulsating

W

Winter Solstice

Y

Yellow Stars (G-type)

Yellow Stars (F-type)

Z

Indexes

Main Index

v2.1g

eSky © copyright Mark Fisher 1999-2025